CVE-2025-28256: totolink a3100r_firmware OS Command Injection
CVSS: 9.8v3.1CriticalAnalyzed
Published 28-03-2025Last modified 31-03-2025
Vulnerability summary
CVE-2025-28256 is a critical (CVSS 9.8) OS Command Injection vulnerability in totolink a3100r_firmware. EPSS estimates a 0.97% chance of exploitation in the next 30 days, higher than 61.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.97%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 28-03-2025PublishedVulnerability first disclosed.
- 31-03-2025Last modifiedVulnerability information updated.
Description
An issue in TOTOLINK A3100R V4.1.2cu.5247_B20211129 allows a remote attacker to execute arbitrary code via the setWebWlanIdx of the file /lib/cste_modules/wireless.so.
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
0.97%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
+0.02 pp
From 0.95% on 21-09-2026
21-09-202621-10-2026
EPSS score0.97%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundVulnerreport
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Totolink1 product
- a3100r_firmware4.1.2cu.5247_b20211129
1 vendor · 1 product