CVE-2025-8231

D-Link DIR-890L UART Port rgbin hard-coded credentials

CVSS 7 HIGHEPSS 0.6%CWE-259 CWE-798

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

27 Jul 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A vulnerability, which was classified as critical, has been found in D-Link DIR-890L up to 111b04. This issue affects some unknown processing of the file rgbin of the component UART Port. The manipulation leads to hard-coded credentials. It is possible to launch the attack on the physical device. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

Affected products

D-Link · DIR-890L

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

https://github.com/Nicholas-wei/bug-discovery/blob/main/dlink/dir890-hardcoded/dir890-hardcoded.md https://vuldb.com/?ctiid.317819 https://vuldb.com/?id.317819 https://vuldb.com/?submit.622337 https://www.dlink.com/