High severity · published Aug 21, 2023
CVE-2023-39745
TP-Link TL-WR940N V2, TP-Link TL-WR941ND V5 and TP-Link TL-WR841N V8 were discovered to contain a buffer overflow via the component /userRpm/AccessCtrlAccessRulesRpm
7.5
CVSS
0.7%
EPSS
No
On KEV
Description
TP-Link TL-WR940N V2, TP-Link TL-WR941ND V5 and TP-Link TL-WR841N V8 were discovered to contain a buffer overflow via the component /userRpm/AccessCtrlAccessRulesRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TV
Tl-wr841n V8 Firmware · Tp-link
All versions, or not specified · source: NVD
TV
Tl-wr940n V2 Firmware · Tp-link
All versions, or not specified · source: NVD
TV
Tl-wr941nd V5 Firmware · Tp-link
All versions, or not specified · source: NVD
TL
Tl-wr841n · Tp-link
8.0 · source: CISA
TL
Tl-wr941nd · Tp-link
v5 · source: CISA
TV
Tl-wr941nd V2 · Tp-link
2 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-39745
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-39745
Exploit
https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/16/TP-Link%20WR940N%20WR941ND%20WR841N%20wireless%20router%20userRpmAccessCtrlAccessRulesRpm%20buffer%20read%20out-of-bounds%20vulnerability.md
More from Tl-wr841n V8 Firmware
9.8
CVE-2023-39747
TP-Link WR841N V8, TP-Link TL-WR940N V2, and TL-WR941ND V5 were discovered to contain a buffer overflow via the radiusSecret parameter at /userRpm/WlanSecurityRpm