CVE-2026-42800 json
Deference after null check in ims_client sip
published 2026-04-30 6 mo ago modified 2026-10-26 13 d ago also EUVD-2026-26360
- cvss
- 7.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 14%
- public exploits
- 0
- none known
Summary
NULL pointer dereference vulnerability in ASR1903 in ASR Lapwing_Linux on Linux (ims_client modules) allows Pointer Manipulation.
This vulnerability is associated with program files sip/utils/src/sipuri.c.
Patch / fix
- asrmicro asr1901_firmware 1.225.003
- asrmicro asr1903_firmware 1.225.003
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 6 mo ago
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
Affected products
- ASR Lapwing_Linux
Classification
- Weakness
-
- CWE-476 NULL Pointer Dereference
References
-
asrmicro.com
/en/goods/psirt?cid=44
vendor-advisory
Sources
- CVE List CVE-2026-42800
- NVD CVE-2026-42800
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.