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CVE-2026-42800

High

Description

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.

SeverityHigh
CVSS7.4
Exploit probability—
ProductAsrmicro Asr1903 Firmware
PublishedApr 30, 2026
First seenApr 30, 2026
Weakness typeCWE-476NULL pointer dereference

How to fix

Update
  • asrmicro asr1903_firmware1.225.003 or later
  • asrmicro asr1901_firmware1.225.003 or later

Affected products

ProductAffected versionsFixed in
asrmicro asr1903_firmwarev < 1.225.0031.225.003
asrmicro asr1901_firmwarev < 1.225.0031.225.003

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