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CVE-2022-43972

7.5 highEPSS 1.4%

High (7.5) in linksys wrt54gl firmware. EPSS 1.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.4% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)
CWE
CWE-476
Published
Modified
Record from
the NVD, synced

Affected

References

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