Findings

CVE-2026-42800

NULL pointer dereference vulnerability in ASR1903 in ASR Lapwing_Linux on Linux (ims_client modules) allows Pointer Manipulation.

Published Apr 30, 2026 · updated Jun 17, 2026 · asrmicro asr1901 firmware

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.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 30, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Affected

  • cpe asrmicro/asr1901 firmwareversion unspecified
  • cpe asrmicro/asr1903 firmwareversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-42800

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-42800

    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.

    nvd.nist.gov

References