CVE-2022-24973 — HIGH (8.0)

Vulnerability Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n (5553) routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13992.

CVSS Score

8.0

HIGH

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tp-Link	Tl-Wr940N Firmware	3.20.1
Tp-Link	Tl-Wr940N	-

Related Weaknesses (CWE)

CWE-121

References

https://www.zerodayinitiative.com/advisories/ZDI-22-406/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-406/Third Party AdvisoryVDB Entry

FAQ

What is CVE-2022-24973?

CVE-2022-24973 is a vulnerability with a CVSS score of 8.0 (HIGH). This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n (5553) routers. Authentication is required ...

How severe is CVE-2022-24973?

CVE-2022-24973 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-24973?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Tl-Wr940N Firmware, Tp-Link Tl-Wr940N.