CVE-2025-57638 json
Buffer overflow vulnerability in Tenda AC9 1.0 via the user supplied sys.vendor configuration value.
published 2025-09-23 13 mo ago modified 2026-11-05 3 d ago also EUVD-2025-30928
- cvss
- 7.5
- 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 34%
- public exploits
- 0
- none known
Summary
Buffer overflow vulnerability in Tenda AC9 1.0 via the user supplied sys.vendor configuration value.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 13 mo ago
Exploit prediction
0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/glkfc/IoT-Vulnerability/blob/main/Tenda/tenda1.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Classification
- Weakness
-
- CWE-122 Heap-based Buffer Overflow
References
-
github.com
/glkfc/IoT-Vulnerability/blob/main/Tenda/tenda1.md
exploit, third-party-advisory
Sources
- CVE List CVE-2025-57638
- NVD CVE-2025-57638
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