CVE-2022-40876 json
In Tenda ax1803 v1.0.0.1, the http requests handled by the fromAdvSetMacMtuWan functions, wanSpeed, cloneType, mac, can cause a stack overf…
published 2022-10-27 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-44132
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known
Summary
In Tenda ax1803 v1.0.0.1, the http requests handled by the fromAdvSetMacMtuWan functions, wanSpeed, cloneType, mac, can cause a stack overflow and enable remote code execution (RCE).
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 18 mo ago
Exploit prediction
2.37% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- cnblogs.com https://www.cnblogs.com/L0g4n-blog/p/16695155.html referenced PoC, tagged "exploit" by a source, unverified
- cnblogs.com https://www.cnblogs.com/L0g4n-blog/p/16704071.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
cnblogs.com
/L0g4n-blog/p/16695155.html
exploit, third-party-advisory
-
cnblogs.com
/L0g4n-blog/p/16704071.html
exploit, third-party-advisory
Sources
- CVE List CVE-2022-40876
- NVD CVE-2022-40876
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.