7.2

CVE-2025-8231: d-link dir-890l_firmware Use of Hard-coded Password

CVSS: 7.2v2.0HighAnalyzed
Published 27-07-2025Last modified 28-07-2025
Open JSON

Vulnerability summary

CVE-2025-8231 is a high (CVSS 7.2) Use of Hard-coded Password vulnerability in d-link dir-890l_firmware. EPSS estimates a 0.73% chance of exploitation in the next 30 days, higher than 53.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
39/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v2.0 (CVE.org)
EPSS score
0.73%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 27-07-2025
    PublishedVulnerability first disclosed.
  2. 28-07-2025
    Last modifiedVulnerability information updated.

Description

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 metrics

7 scores · 2 sources · 4 versions

EPSS trend

Probability

0.73%

Chance of exploitation in the next 30 days

Percentile

53%

Versus all other CVEs

30-day change

+0.07 pp

From 0.66% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.73%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Bug Discovery

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

D-link1 product
Dlink1 product

2 vendors · 2 products

References

5 links