CVE-2025-25635: totolink a3002r_firmware Classic Buffer Overflow
CVSS: 8.0v3.1HighAnalyzed
Published 28-02-2025Last modified 02-09-2025
Vulnerability summary
CVE-2025-25635 is a high (CVSS 8.0) Classic Buffer Overflow vulnerability in totolink a3002r_firmware. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 34.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.0/10
010
High · v3.1 (CVE.org)EPSS score
0.42%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 28-02-2025PublishedVulnerability first disclosed.
- 02-09-2025Last modifiedVulnerability information updated.
Description
TOTOlink A3002R V1.1.1-B20200824.0128 contains a buffer overflow vulnerability. The vulnerability arises from the improper input validation of the pppoe_dns1 parameter in the formIpv6Setup interface of /bin/boa.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.0Preferred score · CVE.org (CNA)
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST8.0HighCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
35%
Versus all other CVEs
30-day change
+0.01 pp
From 0.41% on 21-09-2026
21-09-202621-10-2026
EPSS score0.42%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundCuicuishark Sheep Fishiot
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Totolink1 product
- a3002r_firmware1.1.1-b20200824.0128
1 vendor · 1 product