CVE-2024-36671 json
nodemcu before v3.0.0-release_20240225 was discovered to contain an integer overflow via the getnum function at /modules/struct.c.
published 2024-11-29 23 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-36166
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
nodemcu before v3.0.0-release_20240225 was discovered to contain an integer overflow via the getnum function at /modules/struct.c.
Patch / fix
- nodemcu nodemcu 3.0.0-release_20240225
- github.com/nodemcu/nodemcu-firmware@193fe35 commit
- github.com/nodemcu/nodemcu-firmware#3633 pull request
- github.com/nodemcu/nodemcu-firmware#3634 pull request
- github.com/nodemcu/nodemcu-firmware#3635 pull request
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 23 mo ago
Exploit prediction
0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).
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 |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- nodemcu nodemcu
Classification
- Weakness
-
- CWE-190 Integer Overflow or Wraparound
References
- github.com /nodemcu/nodemcu-firmware/pull/3633
- github.com /nodemcu/nodemcu-firmware/pull/3634
- github.com /nodemcu/nodemcu-firmware/pull/3635
- github.com /nodemcu/nodemcu-firmware/commit/193fe3593eb1537667179089535cdb7457327887#diff-5c3fa597431eda03ac3339ae6bf7f05
- github.com /nodemcu/nodemcu-firmware/issues/3626
Sources
- CVE List CVE-2024-36671
- NVD CVE-2024-36671
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.