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MEDIUM · 6.5

CVE-2022-43972

A null pointer dereference vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. A null pointer dereference in the soap_action function within the upnp bina...

Vulnerability Description

A null pointer dereference vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. A null pointer dereference in the soap_action function within the upnp binary can be triggered by an unauthenticated attacker via a malicious POST request invoking the AddPortMapping action.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
LinksysWrt54Gl Firmware<= 4.30.18.006
LinksysWrt54Gl-

Related Weaknesses (CWE)

CWE-476

References

FAQ

What is CVE-2022-43972?

CVE-2022-43972 is a vulnerability with a CVSS score of 6.5 (MEDIUM). A null pointer dereference vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. A null pointer dereference in the soap_action function within the upnp bina...

How severe is CVE-2022-43972?

CVE-2022-43972 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-43972?

Check the references section above for vendor advisories and patch information. Affected products include: Linksys Wrt54Gl Firmware, Linksys Wrt54Gl.