High severity · published Jan 9, 2025
CVE-2024-54887
TP-Link TL-WR940N V3 and V4 with firmware 3.16.9 and earlier contain a buffer overflow via the dnsserver1 and dnsserver2 parameters at /userRpm/Wan6to4TunnelCfgRpm.htm
8.0
CVSS
6.6%
EPSS
No
On KEV
Description
TP-Link TL-WR940N V3 and V4 with firmware 3.16.9 and earlier contain a buffer overflow via the dnsserver1 and dnsserver2 parameters at /userRpm/Wan6to4TunnelCfgRpm.htm. This vulnerability allows an authenticated attacker to execute arbitrary code on the remote device in the context of the root user.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)6.6% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TF
Tl-wr940n Firmware · Tp-link
through 3.16.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-54887
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-54887
Third Party Advisory
https://github.com/JBince/vulnerability-research/tree/main/CVE-2024-54887
More from Tl-wr940n Firmware
8.8
CVE-2023-33538
TP-Link Multiple Routers Command Injection Vulnerability
6.5
CVE-2023-50224
TP-Link TL-WR841N dropbearpwd Improper Authentication Information Disclosure Vulnerability
9.9
CVE-2023-36355
TP-Link TL-WR940N V4 was discovered to contain a buffer overflow via the ipStart parameter at /userRpm/WanDynamicIpV6CfgRpm
8.8
CVE-2022-43636
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of TP-Link TL-WR940N 6_211111 3.20.1(US) routers
8.8
CVE-2022-24355
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
