VulnerabilityModified
CVE-2022-43972
A null pointer dereference vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006.
HIGH 7.5EPSS 1.31%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.31% probability · 69th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linksys/wrt54gl firmware
- Source
- trellixpsirt@trellix.com
References
- https://youtu.be/73-1lhvJPNgExploit, Third Party Advisory
- https://youtu.be/RfWVYCUBNZ0Exploit, Third Party Advisory
- https://youtu.be/TeWAmZaKQ_wExploit, Third Party Advisory
- https://youtu.be/73-1lhvJPNgExploit, Third Party Advisory
- https://youtu.be/RfWVYCUBNZ0Exploit, Third Party Advisory
- https://youtu.be/TeWAmZaKQ_wExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.