CVE-2025-6982 Hardcoded DES Decryption Keys in TP-Link Archer C50 V3/V4/V5 and C20 V5
Attackers can decrypt configuration files using hardcoded DES keys, exposing sensitive router settings.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-6982?
CVE-2025-6982 is a medium-severity vulnerability in TP-Link Systems Inc. Archer C20 V5, published on 16 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-798
Which versions are affected by CVE-2025-6982?
How do I fix CVE-2025-6982?
No fix has been published for CVE-2025-6982 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-6982 being exploited?
There is no known exploitation of CVE-2025-6982 in the wild and no public exploit code.
Sources
Also known as GHSA-5j4q-7r76-c92w.