CVE-2022-24355

Published on: Not Yet Published

Last Modified on: 02/28/2022 07:18:00 PM UTC

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Certain versions of Tl-wr940n from Tp-link contain the following vulnerability:

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 not required to exploit this vulnerability. The specific flaw exists within the parsing of file name extensions. 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-13910.

  • CVE-2022-24355 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.
  • Affected Vendor/Software: URL Logo TP-Link - TL-WR940N version 3.20.1 Build 200316 Rel.34392n (5553)

CVSS3 Score: 8.8 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
ADJACENT_NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 8.3 - HIGH

Access
Vector
Access
Complexity
Authentication
ADJACENT_NETWORK LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
COMPLETE COMPLETE COMPLETE

CVE References

Description Tags Link
ZDI-22-265 | Zero Day Initiative www.zerodayinitiative.com
text/html
URL Logo MISC www.zerodayinitiative.com/advisories/ZDI-22-265/

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Hardware Device InfoTp-linkTl-wr940n-AllAllAll
Operating
System
Tp-linkTl-wr940n FirmwareAllAllAllAll
  • cpe:2.3:h:tp-link:tl-wr940n:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:tp-link:tl-wr940n_firmware:*:*:*:*:*:*:*:*:

Discovery Credit

Vadym Kolisnichenko

Social Mentions

Source Title Posted (UTC)
Twitter Icon @RedPacketSec TP-Link TL-WR940N buffer overflow | CVE-2022-24355 - redpacketsecurity.com/tp-link-tl-wr9… 2022-02-12 11:01:29
Twitter Icon @CVEreport CVE-2022-24355 : This vulnerability allows network-adjacent attackers to execute arbitrary code on affected install… twitter.com/i/web/status/1… 2022-02-28 19:30:19
Reddit Logo Icon /r/netcve CVE-2022-24355 2022-02-28 20:38:47
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