Medium severity · published Jul 16, 2025
CVE-2025-6982
Hardcoded DES Decryption Keys in TP-Link Archer C50 V3/V4/V5 and C20 V5
6.9
CVSS
0.3%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
Archer C20 V5 · TP-Link Systems Inc.
before US_V5_260419; before EU_V5_260317 · source: vendor
AC
Archer C50 V3 · TP-Link Systems Inc.
through 180703 · source: vendor
AC
Archer C50 V4 · TP-Link Systems Inc.
through 250117 · source: vendor
AC
Archer C50 V5 · TP-Link Systems Inc.
through 200407 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-6982
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-6982
www.tp-link.com
https://www.tp-link.com/en/support/download/archer-c20/v5/#Firmware
www.tp-link.com
https://www.tp-link.com/us/support/download/archer-c20/v5/#Firmware
www.tp-link.com
https://www.tp-link.com/us/support/faq/4538/
www.kb.cert.org
https://www.kb.cert.org/vuls/id/554637
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Logic Vulnerability on TP-Link Archer C20, Archer AX53 and TL-WR841N v13
8.7
CVE-2026-11834
Unauthenticated Command Injection via DHCP Option Handling in Multiple TP-Link Routers
5.6
CVE-2025-15551
LAN Code Execution on TP-Link Archer MR200, Archer C20, TL-WR850N and TL-WR845N
