Medium severity · published May 3, 2024
CVE-2023-50225
TP-Link TL-WR902AC dm_fillObjByStr Stack-based Buffer Overflow Remote Code Execution Vulnerability
6.8
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TL
TL-WR902AC · TP-Link
0.9.1 0.3 v008a.0 Build 211025 Rel.76009n(5553) · source: vendor
TF
Tl-wr902ac Firmware · Tp-link
0.9.1_0.3_v008a.0 · source: NVD, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-50225
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-50225
Product
https://www.tp-link.com/ca/support/download/tl-wr902ac/v3/#Firmware
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-1809/
More from TL-WR902AC
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CVE-2023-36489
Multiple TP-LINK products allow a network-adjacent unauthenticated attacker to execute arbitrary OS commands
6.5
CVE-2023-44447
TP-Link TL-WR902AC loginFs Improper Authentication Information Disclosure Vulnerability