CVE-2026-42800 — HIGH (7.4)

Q: How severe is CVE-2026-42800?

CVE-2026-42800 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-42800?

Check the references section above for vendor advisories and patch information. Affected products include: Asrmicro Asr1901 Firmware, Asrmicro Asr1901, Asrmicro Asr1903 Firmware, Asrmicro Asr1903.

Vulnerability 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.

CVSS Score

7.4

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Asrmicro	Asr1901 Firmware	< 1.225.003
Asrmicro	Asr1901	-
Asrmicro	Asr1903 Firmware	< 1.225.003
Asrmicro	Asr1903	-

Related Weaknesses (CWE)

CWE-476

References

https://www.asrmicro.com/en/goods/psirt?cid=44Vendor Advisory

FAQ

What is CVE-2026-42800?

CVE-2026-42800 is a vulnerability with a CVSS score of 7.4 (HIGH). 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/si...

How severe is CVE-2026-42800?

CVE-2026-42800 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-42800?

Check the references section above for vendor advisories and patch information. Affected products include: Asrmicro Asr1901 Firmware, Asrmicro Asr1901, Asrmicro Asr1903 Firmware, Asrmicro Asr1903.