CVE-2022-43972
Null pointer dereference in Linksys WRT54GL
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
3
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Existe una vulnerabilidad de desreferencia de puntero nulo en el router Linksys WRT54GL Wireless-G Broadband con firmware <= 4.30.18.006. Un atacante no autenticado puede desencadenar una desreferencia de puntero nulo en la función SOAP_action dentro del binario upnp a través de una solicitud POST maliciosa que invoca la acción AddPortMapping.
*Credits:
Jessie Chick of Trellix ARC
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2022-10-28 CVE Reserved
- 2023-01-09 CVE Published
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- 2024-08-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-476: NULL Pointer Dereference
CAPEC
References (3)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| https://youtu.be/73-1lhvJPNg | 2024-08-03 | |
| https://youtu.be/RfWVYCUBNZ0 | 2024-08-03 | |
| https://youtu.be/TeWAmZaKQ_w | 2024-08-03 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Linksys Search vendor "Linksys" | Wrt54gl Firmware Search vendor "Linksys" for product "Wrt54gl Firmware" | <= 4.30.18.006 Search vendor "Linksys" for product "Wrt54gl Firmware" and version " <= 4.30.18.006" | - |
Affected
| in | Linksys Search vendor "Linksys" | Wrt54gl Search vendor "Linksys" for product "Wrt54gl" | - | - |
Safe
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