CVE-2025-25635 json
TOTOlink A3002R V1.1.1-B20200824.0128 contains a buffer overflow vulnerability.
published 2025-02-28 20 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-5933
- cvss
- 8.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 36%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 20 mo ago
Exploit prediction
0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/TOTOLINK-A3002R-formIpv6Setup-pppoe_dns1.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.0 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.0 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
github.com
/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/TOTOLINK-A3002R-formIpv6Setup-pppoe_dns1.md
exploit, third-party-advisory
Sources
- CVE List CVE-2025-25635
- NVD CVE-2025-25635
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