9.8

CVE-2025-29040: dlink dir-823x_firmware OS Command Injection

CVSS: 9.8v3.1CriticalModified
Published 17-04-2025Last modified 01-05-2025

Vulnerability summary

CVE-2025-29040 is a critical (CVSS 9.8) OS Command Injection vulnerability in dlink dir-823x_firmware. EPSS estimates a 1.41% chance of exploitation in the next 30 days, higher than 72.1% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
1.41%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2github

Timeline

  1. 17-04-2025
    PublishedVulnerability first disclosed.
  2. 01-05-2025
    Last modifiedVulnerability information updated.

Description

An issue in dlink DIR 823x 240802 allows a remote attacker to execute arbitrary code via the target_addr key value and the function 0x41737c

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.41%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

+0.02 pp

From 1.38% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.41%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • githubUnverified

    Dlink Dir 823X Diag Ping Target Addr Commandinjection

    Maturity: poc

  • githubUnverified

    B3Bebe4967A3093951273738F0Be45Ce

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Dlink1 product

1 vendor · 1 product

References

3 links