CVE-2025-22900: totolink n600r_firmware Stack-based Buffer Overflow
CVSS: 9.8v3.1CriticalAnalyzed
Published 15-04-2025Last modified 16-04-2025
Vulnerability summary
CVE-2025-22900 is a critical (CVSS 9.8) Stack-based Buffer Overflow vulnerability in totolink n600r_firmware. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 46% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.56%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 15-04-2025PublishedVulnerability first disclosed.
- 16-04-2025Last modifiedVulnerability information updated.
Description
Totolink N600R v4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the macCloneMac parameter in the setWanConfig function.
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
0.56%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
+0.01 pp
From 0.55% on 21-09-2026
21-09-202621-10-2026
EPSS score0.56%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundTotolink N600R Setwanconfig Stackoverflow
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Totolink1 product
- n600r_firmware4.3.0cu.7647_b20210106
1 vendor · 1 product