NULL pointer dereference in Linksys Wrt54gl
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 binary can be triggered by an unauthenticated attacker via a malicious POST request invoking the AddPortMapping action.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.013 (69.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
Weakness classification (CWE)
References
- youtu.be/73-1lhvJPNg (Exploit, Third Party Advisory)
- youtu.be/TeWAmZaKQ_w (Exploit, Third Party Advisory)
- youtu.be/RfWVYCUBNZ0 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-43972?
- CVE-2022-43972 is a medium-severity vulnerability in Linksys Wrt54gl, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2023-01-09.
- How severe is CVE-2022-43972?
- Medium severity. CVSS v3 base score is 6.5 out of 10.