CVE-2025-6151 | THREATINT

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.

Eine kritische Schwachstelle wurde in TP-Link TL-WR940N V4 entdeckt. Es geht hierbei um eine nicht näher spezifizierte Funktion der Datei /userRpm/WanSlaacCfgRpm.htm. Mittels Manipulieren des Arguments dnsserver1 mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk angegangen werden. Der Exploit steht zur öffentlichen Verfügung.

Reserved 2025-06-15 | Published 2025-06-17 | Updated 2025-06-17 | Assigner VulDB

HIGH: 8.7CVSS: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

HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Buffer Overflow

Memory Corruption

Product status

affected

Timeline

2025-06-15:	Advisory disclosed
2025-06-15:	VulDB entry created
2025-06-15:	VulDB entry last update

Credits

MTHG (VulDB User) reporter

References

vuldb.com/?id.312626 (VDB-312626 | TP-Link TL-WR940N WanSlaacCfgRpm.htm buffer overflow) vdb-entry technical-description

vuldb.com/?ctiid.312626 (VDB-312626 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.593031 (Submit #593031 | TP-Link TL-WR940N V4 Buffer Overflow) third-party-advisory

github.com/WhereisDoujo/CVE/issues/7 exploit issue-tracking

www.tp-link.com/ product

cve.org (CVE-2025-6151)

nvd.nist.gov (CVE-2025-6151)

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