CVE-2025-45931: dlink dir-816_firmware Command Injection
CVSS: 9.8v3.1CriticalModified
Published 30-06-2025Last modified 05-07-2026
Vulnerability summary
CVE-2025-45931 is a critical (CVSS 9.8) Command Injection vulnerability in dlink dir-816_firmware. EPSS estimates a 1.03% chance of exploitation in the next 30 days, higher than 63.2% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
1.03%
0%100%
Low · +0.14 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 30-06-2025PublishedVulnerability first disclosed.
- 05-07-2026Last modifiedVulnerability information updated.
Description
An issue D-Link DIR-816-A2 DIR-816A2_FWv1.10CNB05_R1B011D88210 allows a remote attacker to execute arbitrary code via system() function in the bin/goahead file
CVSS metrics
2 scores · 2 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.03%
Chance of exploitation in the next 30 days
Percentile
63%
Versus all other CVEs
30-day change
+0.14 pp
From 0.89% on 19-09-2026
19-09-202619-10-2026
EPSS score1.03%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundCve Advisories
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Dlink1 product
- dir-816_firmware1.10cnb05_r1b011d88210
1 vendor · 1 product
References
2 links- www.dlink.com/en/security-bulletin/Vendor Advisory