CVE-2025-25742: dlink dir-853_firmware Out-of-bounds Write
CVSS: 9.8v3.1CriticalModified
Published 12-02-2025Last modified 05-03-2025
Vulnerability summary
CVE-2025-25742 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in dlink dir-853_firmware. EPSS estimates a 0.63% chance of exploitation in the next 30 days, higher than 49% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.63%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 12-02-2025PublishedVulnerability first disclosed.
- 05-03-2025Last modifiedVulnerability information updated.
Description
D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow vulnerability via the AccountPassword parameter in the SetSysEmailSettings module.
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
0.63%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
0.00 pp
From 0.63% on 20-09-2026
20-09-202620-10-2026
EPSS score0.63%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (dear-sunshine-ba5.notion.site)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Dlink1 product
- dir-853_firmware1.20b07
1 vendor · 1 product
References
1 links- dear-sunshine-ba5.notion.site/D-Link-DIR-853-3-1812386a664480feaf1ceab444b132b3ExploitThird Party Advisory