TP-Link TL-WR902AC dm_fillObjByStr Stack-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2023-50225

6.8MEDIUM

Key Information:

Vendor

Tp-link
Status
Tl-wr902ac
Vendor
CVE Published:
3 May 2024

What is CVE-2023-50225?

TP-Link TL-WR902AC dm_fillObjByStr Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR902AC routers. Authentication is required to exploit this vulnerability.

The specific flaw exists within the libcmm.so module. 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-21819.

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Affected Version(s)

TL-WR902AC 0.9.1 0.3 v008a.0 Build 211025 Rel.76009n(5553)

References

https://www.zerodayinitiative.com/advisories/ZDI-23-1809/
x_research-advisory
https://www.tp-link.com/ca/support/download/tl-wr902ac/v3...
vendor-advisory

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

JSON
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