CVE-2023-35846 json
VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not check the transport layer length in a frame before performing port filtering.
published 2023-06-19 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-39839
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 53%
- public exploits
- 0
- none known
Summary
VirtualSquare picoTCP (aka PicoTCP-NG) through 2.1 does not check the transport layer length in a frame before performing port filtering.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 22 mo ago
Exploit prediction
0.70% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).
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 |
References
-
github.com
/virtualsquare/picotcp/commit/d561990a358899178115e156871cc054a1c55ffe
patch, vendor-advisory
Sources
- CVE List CVE-2023-35846
- NVD CVE-2023-35846
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.