CVE-2025-28138: totolink a800r_firmware OS Command Injection
CVSS: 9.8v3.1CriticalModified
Published 27-03-2025Last modified 15-04-2025
Vulnerability summary
CVE-2025-28138 is a critical (CVSS 9.8) OS Command Injection vulnerability in totolink a800r_firmware. EPSS estimates a 1.15% chance of exploitation in the next 30 days, higher than 66.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
1.15%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 27-03-2025PublishedVulnerability first disclosed.
- 15-04-2025Last modifiedVulnerability information updated.
Description
The TOTOLINK A800R V4.1.2cu.5137_B20200730 were found to contain a pre-auth remote command execution vulnerability in the setNoticeCfg function through the NoticeUrl parameter.
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
1.15%
Chance of exploitation in the next 30 days
Percentile
67%
Versus all other CVEs
30-day change
+0.02 pp
From 1.13% on 21-09-2026
21-09-202621-10-2026
EPSS score1.15%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (sudsy-eyeliner-a59.notion.site)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Totolink1 product
- a800r_firmware4.1.2cu.5137_b20200730
1 vendor · 1 product