Vulnerability in D-Link Dir-890l
CVE-2025-8231
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (50.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000
Affected products
- D-Link Dir-890l — versions 111b04
- Dlink Dir-890l
- Dlink Dir-890l Firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/Nicholas-wei/bug-discovery/blob/main/dlink/dir890-hardcoded/dir890-h… (Exploit, exploit)
- www.dlink.com/ (Product, product)
Frequently asked questions
- What is CVE-2025-8231?
- CVE-2025-8231 is a medium-severity vulnerability in D-Link Dir-890l, classified under Use of Hard-coded Password. CVSS score: 6.8/10. Published 2025-07-27.
- How severe is CVE-2025-8231?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2025-8231 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.