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High 7.4Published Apr 30, 2026

CVE-2026-42800Deference after null check in ims_client sip

Updated under an hour ago ()

Does this affect you?

It affects ASR Lapwing_Linux and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
7.4 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Weakness (CWE)
CWE-476
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
ASR
NVD analysis
Analyzed
Record last updated
Apr 30, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
ASR Lapwing_Linux
asr:lapwing_linux (from the name)
before 2026/4/14 not affected
CNA record
asrmicro asr1901_firmware
asrmicro:asr1901_firmware
before 1.225.003
NVD
asrmicro asr1903_firmware
asrmicro:asr1903_firmware
before 1.225.003
NVD

References

  • vendor-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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