CVE-2025-6151

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-6151
A vulnerability has been found in TP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown functionality of the file /userRpm/WanSlaacCfgRpm.htm, which may lead to buffer overflow. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.
CVSS

No CVSS.

References
Link Resource
https://github.com/WhereisDoujo/CVE/issues/7 Exploit Issue Tracking Third Party Advisory
https://vuldb.com/?ctiid.312626 Permissions Required VDB Entry
https://vuldb.com/?id.312626 Third Party Advisory VDB Entry
https://vuldb.com/?submit.593031 Third Party Advisory VDB Entry
https://www.tp-link.com/us/support/faq/4536/
https://github.com/WhereisDoujo/CVE/issues/7 Exploit Issue Tracking Third Party Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:tp-link:tl-wr940n_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:tl-wr940n:v4:*:*:*:*:*:*:*
History

15 Jul 2025, 19:15

Type Values Removed Values Added
Summary (en) A vulnerability, which was classified as critical, has been found in TP-Link TL-WR940N V4. Affected by this issue is some unknown functionality of the file /userRpm/WanSlaacCfgRpm.htm. The manipulation of the argument dnsserver1 leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer. (en) A vulnerability has been found in TP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown functionality of the file /userRpm/WanSlaacCfgRpm.htm, which may lead to buffer overflow. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.
References
  • {'url': 'https://www.tp-link.com/', 'tags': ['Product'], 'source': 'cna@vuldb.com'}
  • () https://www.tp-link.com/us/support/faq/4536/ -
References () https://vuldb.com/?ctiid.312626 - Permissions Required, VDB Entry () https://vuldb.com/?ctiid.312626 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.312626 - Third Party Advisory, VDB Entry () https://vuldb.com/?id.312626 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.593031 - Third Party Advisory, VDB Entry () https://vuldb.com/?submit.593031 - Third Party Advisory, VDB Entry
CVSS v2 : 9.0
v3 : 8.8 		v2 : unknown
v3 : unknown

03 Jul 2025, 06:15

Type Values Removed Values Added
Summary (en) A vulnerability, which was classified as critical, has been found in TP-Link TL-WR940N V4. Affected by this issue is some unknown functionality of the file /userRpm/WanSlaacCfgRpm.htm. The manipulation of the argument dnsserver1 leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. (en) A vulnerability, which was classified as critical, has been found in TP-Link TL-WR940N V4. Affected by this issue is some unknown functionality of the file /userRpm/WanSlaacCfgRpm.htm. The manipulation of the argument dnsserver1 leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
References () https://github.com/WhereisDoujo/CVE/issues/7 - Exploit, Third Party Advisory, Issue Tracking () https://github.com/WhereisDoujo/CVE/issues/7 - Exploit, Issue Tracking, Third Party Advisory

19 Jun 2025, 01:20

Type Values Removed Values Added
CPE cpe:2.3:h:tp-link:tl-wr940n:v4:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-wr940n_firmware:-:*:*:*:*:*:*:*
References () https://github.com/WhereisDoujo/CVE/issues/7 - () https://github.com/WhereisDoujo/CVE/issues/7 - Exploit, Third Party Advisory, Issue Tracking
References () https://vuldb.com/?ctiid.312626 - () https://vuldb.com/?ctiid.312626 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.312626 - () https://vuldb.com/?id.312626 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.593031 - () https://vuldb.com/?submit.593031 - Third Party Advisory, VDB Entry
References () https://www.tp-link.com/ - () https://www.tp-link.com/ - Product
First Time Tp-link tl-wr940n
Tp-link
Tp-link tl-wr940n Firmware

17 Jun 2025, 15:15

Type Values Removed Values Added
References () https://github.com/WhereisDoujo/CVE/issues/7 - () https://github.com/WhereisDoujo/CVE/issues/7 -
Summary
  • (es) Se ha detectado una vulnerabilidad clasificada como crítica en el TP-Link TL-WR940N V4. Este problema afecta a una funcionalidad desconocida del archivo /userRpm/WanSlaacCfgRpm.htm. La manipulación del argumento dnsserver1 provoca un desbordamiento del búfer. El ataque puede ejecutarse en remoto. Se ha hecho público el exploit y puede que sea utilizado.

17 Jun 2025, 01:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-06-17 01:15

Updated : 2025-07-15 19:15

NVD link : CVE-2025-6151

Mitre link : CVE-2025-6151

CVE.ORG link : CVE-2025-6151

JSON object : View

Products Affected

tp-link

  • tl-wr940n_firmware
  • tl-wr940n
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')