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CVE-2025-6982

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

Published: Jul 16, 2025Updated: Apr 22, 2026 Sources: CVE List NVD BDUCWE-798
NVD MITRE
5.7CVSSMEDIUM
EPSS Score
0.3%
Top 83.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Use of Hard-coded Credentials in TP-Link Archer C50 V3( <= 180703)/V4( <= 250117 )/V5( <= 200407 ), and C20 V5 (<US_V5_260419 or <EU_V5_260317) allows attackers to decrypt the config.xml files.

CVSS Vector Breakdown

AV:AAC:LC:HI:NA:N
Exploitability
AV:AAccess Vector
Adjacent Network
AC:LAccess Complexity
Low
Impact
C:HConfidentiality
H
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-798

Affected Products

Archer C50 V3TP-Link Systems Inc.Networking Infrastructure
Archer C50 V4TP-Link Systems Inc.Networking Infrastructure
Archer C50 V5TP-Link Systems Inc.Networking Infrastructure
Archer C20 V5TP-Link Systems Inc.Networking Infrastructure
Archer C50TP-Link Technologies Co Ltd.Networking Infrastructure
tp-link systems inc.commercialCNNetworking Infrastructureaka tp-link
tp-link technologies co ltd.commercialCNNetworking Infrastructureaka tl-wr841n, tl-wr940n, tl-wr886n

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Credential Access
Initial Access
View detailed technique mapping

References

https://www.tp-link.com/us/support/faq/4538/
tp-link.com
https://www.tp-link.com/us/support/download/archer-c20/v5/#Firmware
tp-link.com
https://www.tp-link.com/en/support/download/archer-c20/v5/#Firmware
tp-link.com
and 1 more references View all →

Timeline

Published
Jul 16, 2025
Last Updated
Apr 22, 2026

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