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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact High

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Tp-link
  • Tl-wr940n
  • Tl-wr940n Firmware

Configuration 1 [-]

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

No data.

References
Link Providers
https://github.com/WhereisDoujo/CVE/issues/7 cve-icon cve-icon cve-icon
https://vuldb.com/?ctiid.312626 cve-icon cve-icon
https://vuldb.com/?id.312626 cve-icon cve-icon
https://vuldb.com/?submit.593031 cve-icon cve-icon
https://www.tp-link.com/us/support/faq/4536/ cve-icon cve-icon
History

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00079}

 epss

{'score': 0.00104}

Tue, 15 Jul 2025 19:30:00 +0000

Type Values Removed Values Added
References
Metrics cvssV2_0

{'score': 9.0, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Tue, 15 Jul 2025 18:30:00 +0000

Type Values Removed Values Added
Description 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. 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.
Title TP-Link TL-WR940N WanSlaacCfgRpm.htm buffer overflow TP-Link TL-WR940N, TL-WR841N WanSlaacCfgRpm.htm buffer overflow
References
Metrics cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}

 cvssV2_0

{'score': 9.0, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H'}

Thu, 03 Jul 2025 05:45:00 +0000

Type Values Removed Values Added
Description 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. 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.

Thu, 19 Jun 2025 01:45:00 +0000

Type Values Removed Values Added
First Time appeared Tp-link
Tp-link tl-wr940n
Tp-link tl-wr940n Firmware
CPEs cpe:2.3:h:tp-link:tl-wr940n:v4:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-wr940n_firmware:-:*:*:*:*:*:*:*
Vendors & Products Tp-link
Tp-link tl-wr940n
Tp-link tl-wr940n Firmware

Tue, 17 Jun 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 17 Jun 2025 01:15:00 +0000

Type Values Removed Values Added
Description 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.
Title TP-Link TL-WR940N WanSlaacCfgRpm.htm buffer overflow
Weaknesses CWE-119
CWE-120
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2025-07-15T18:49:38.224Z

Reserved: 2025-06-15T18:40:11.295Z

Link: CVE-2025-6151

cve-icon Vulnrichment

Updated: 2025-06-17T14:34:47.666Z

cve-icon NVD

Status : Modified

Published: 2025-06-17T01:15:23.313

Modified: 2025-07-15T19:15:23.380

Link: CVE-2025-6151

cve-icon Redhat

No data.