# Stack-Based Buffer Overflow in File Transfer Parameter Handling CVE record · `CVE-2026-22318` - **Identifiers:** `CVE-2026-22318` - **State:** Confirmed - **Severity:** CVSS 4.9 Medium - **Critical:** No - **CNA:** CERTVDE - **Weakness (CWE):** [CWE-121](https://cwe.mitre.org/data/definitions/121.html) - **Tags:** [Memory corruption](https://agentprime.io/advisories/tag/memory-corruption.md) - **Technologies:** [Phoenix Contact FL SWITCH 2005](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2005.md) · [Phoenix Contact FL SWITCH 2008](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2008.md) · [Phoenix Contact FL SWITCH 2016](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2016.md) · [Phoenix Contact FL SWITCH 2105](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2105.md) · [Phoenix Contact FL SWITCH 2108](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2108.md) · [Phoenix Contact FL SWITCH 2116](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2116.md) · [Phoenix Contact FL SWITCH 2204-2TC-2SFX](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2204-2tc-2sfx.md) · [Phoenix Contact FL SWITCH 2205](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2205.md) · [Phoenix Contact FL SWITCH 2206-2FX](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2206-2fx.md) · [Phoenix Contact FL SWITCH 2206-2FX SM](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2206-2fx-sm.md) · [Phoenix Contact FL SWITCH 2206-2FX SM ST](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2206-2fx-sm-st.md) · [Phoenix Contact FL SWITCH 2206-2FX ST](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2206-2fx-st.md) · [Phoenix Contact FL SWITCH 2206-2SFX](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2206-2sfx.md) · [Phoenix Contact FL SWITCH 2206-2SFX PN](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2206-2sfx-pn.md) · [Phoenix Contact FL SWITCH 2206C-2FX](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2206c-2fx.md) · [Phoenix Contact FL SWITCH 2207-FX](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2207-fx.md) · [Phoenix Contact FL SWITCH 2207-FX SM](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2207-fx-sm.md) · [Phoenix Contact FL SWITCH 2208](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2208.md) · [Phoenix Contact FL SWITCH 2208 PN](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2208-pn.md) · [Phoenix Contact FL SWITCH 2208C](https://agentprime.io/advisories/technology/phoenix-contact-fl-switch-2208c.md) - **Published:** 18 Mar 2026 - **Updated:** 18 Mar 2026 - **Reviewed by a person:** No Published by the CVE Program (CNA: CERTVDE) at 18 Mar 2026, 07:33 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. ## Affected products, as the CNA wrote them - Vendor: Phoenix Contact. Product: FL SWITCH 2005. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2008. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2016. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2105. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2108. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2116. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2204-2TC-2SFX. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2205. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2206-2FX. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2206-2FX SM. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2206-2FX SM ST. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2206-2FX ST. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2206-2SFX. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2206-2SFX PN. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2206C-2FX. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2207-FX. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2207-FX SM. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2208. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2208 PN. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2208C. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2212-2TC-2SFX. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2214-2FX. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2214-2FX SM. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2214-2SFX. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2214-2SFX PN. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2216. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2216 PN. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2304-2GC-2SFP. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2306-2SFP. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2306-2SFP PN. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2308. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2308 PN. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2312-2GC-2SFP. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2314-2SFP. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2314-2SFP PN. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2316. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2316 PN. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2404-2TC-2SFX. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2406-2SFX. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected - Vendor: Phoenix Contact. Product: FL SWITCH 2406-2SFX PN. - affected: `0.0.0 to before 3.53` (semver) - Other versions: unaffected And 37 more products. The full list is on the CVE record: ## Not analysed yet We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter. ## Severity and exploitation - 4.9 Medium, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H`, from CNA (CERTVDE) - **CISA KEV:** Not listed. - **EPSS:** 0.0036, the 30th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days. ## Timeline This record came from the full history of the CVE Program, published 18 Mar 2026. New records show when each source confirmed them. ## Sources - [CVE List: CVE-2026-22318](https://www.cve.org/CVERecord?id=CVE-2026-22318) - [NVD: CVE-2026-22318](https://nvd.nist.gov/vuln/detail/CVE-2026-22318) ### References from the CNA - Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description. ## Check whether this affects you This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run. - With the agentprime MCP server (), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: - As JSON: - Everything that needs attention now: --- The web page: . Everything for agents: .