CVE record · CVE-2025-6982

Hardcoded DES Decryption Keys in TP-Link Archer C50 V3/V4/V5 and C20 V5

CVSS 6.9 MediumEPSS 0.0028 · 21st percentile

Published by the CVE Program (CNA: TPLink) at 16 Jul 2025, 20:01 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	Product	Versions
TP-Link Systems Inc.	Archer C50 V3	affected 180703 and earlier date Other versions: unaffected
TP-Link Systems Inc.	Archer C50 V4	affected 250117 and earlier date Other versions: unaffected
TP-Link Systems Inc.	Archer C50 V5	affected 200407 and earlier date Other versions: unaffected
TP-Link Systems Inc.	Archer C20 V5	affected before US_V5_260419 custom affected before EU_V5_260317 custom Other versions: unaffected

Identifiers: CVE-2025-6982
CNA: TPLink
Weakness (CWE): CWE-798
Tags: TP-Link Systems Inc. Archer C50 V3
TP-Link Systems Inc. Archer C50 V4
TP-Link Systems Inc. Archer C50 V5
TP-Link Systems Inc. Archer C20 V5
Hard-coded credentials
Published: 16 Jul 2025
Updated: 22 Apr 2026

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

Score	Rating	CVSS	Vector	Source
6.9	Medium	4.0	CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N	CNA (TPLink)

CISA KEV Not listed.
EPSS 0.0028, the 21st percentile, on 11 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 16 Jul 2025. New records show when each source confirmed them.

Sources

References from the CNA

www.tp-link.com/us/support/faq/4538/ vendor-advisory
www.tp-link.com/us/support/download/archer-c20/v5/#Firmware patch
www.tp-link.com/en/support/download/archer-c20/v5/#Firmware patch

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.