CVE-2024-42987 json
Tenda FH1206 v02.03.01.35 was discovered to contain a stack-based buffer overflow vulnerability in the fromPptpUserAdd function.
published 2024-08-15 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-39864
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
Tenda FH1206 v02.03.01.35 was discovered to contain a stack-based buffer overflow vulnerability in the fromPptpUserAdd function. The vulnerability can be triggered via the modino, username, newpwd, or pptpdnetseg parameters, all of which are passed via HTTP POST and used in unsafe sprintf calls without proper length validation. A remote attacker can exploit this flaw through a crafted POST request, which may cause a Denial of Service (DoS). In certain scenarios, this issue could potentially be leveraged to achieve remote code execution.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
1.31% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/TTTJJJWWW/AHU-IoT-vulnerable/blob/main/Tenda/FH1206/fromPptpUserAdd.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 |
| NVD | 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 |
Affected products
- tenda fh1206_firmware
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
github.com
/TTTJJJWWW/AHU-IoT-vulnerable/blob/main/Tenda/FH1206/fromPptpUserAdd.md
exploit, third-party-advisory
- github.com /laohouzju/PoC/blob/main/Tenda%20FH1206%20fromPptpUserAdd_username.md
- github.com /laohouzju/PoC/blob/main/Tenda%20FH1206%20fromPptpUserAdd_pptpdnetseg.md
- github.com /laohouzju/PoC/blob/main/Tenda%20FH1206%20fromPptpUserAdd_newpwd.md
Sources
- CVE List CVE-2024-42987
- NVD CVE-2024-42987
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