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THREATINT
PUBLISHED

CVE-2025-7882

Mercusys MW301R Login excessive authentication



Description

EN DE

A vulnerability was found in Mercusys MW301R 1.0.2 Build 190726 Rel.59423n. It has been rated as problematic. This issue affects some unknown processing of the component Login. The manipulation leads to improper restriction of excessive authentication attempts. The attack can only be initiated within the local network. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Eine Schwachstelle wurde in Mercusys MW301R 1.0.2 Build 190726 Rel.59423n ausgemacht. Sie wurde als problematisch eingestuft. Dies betrifft einen unbekannten Teil der Komponente Login. Durch Beeinflussen mit unbekannten Daten kann eine improper restriction of excessive authentication attempts-Schwachstelle ausgenutzt werden. Der Angriff kann im lokalen Netzwerk passieren. Die Komplexität eines Angriffs ist eher hoch. Die Ausnutzbarkeit gilt als schwierig. Der Exploit steht zur öffentlichen Verfügung.

Reserved 2025-07-19 | Published 2025-07-20 | Updated 2025-07-20 | Assigner VulDB


LOW: 2.3CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
LOW: 3.1CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
LOW: 3.1CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
1.8AV:A/AC:H/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR

Problem types

Improper Restriction of Excessive Authentication Attempts

Improper Control of Interaction Frequency

Product status

1.0.2 Build 190726 Rel.59423n
affected

Timeline

2025-07-19:Advisory disclosed
2025-07-19:VulDB entry created
2025-07-19:VulDB entry last update

Credits

RaulPACXXX (VulDB User) reporter

References

vuldb.com/?id.316997 (VDB-316997 | Mercusys MW301R Login excessive authentication) vdb-entry

vuldb.com/?ctiid.316997 (VDB-316997 | CTI Indicators (IOB, IOC, TTP)) signature permissions-required

vuldb.com/?submit.611431 (Submit #611431 | Mercusys Router MW301R 1.0.2 Build 190726 Rel.59423n (4252) 7PK Security Features / Brute Force via IP Cycling) third-party-advisory

github.com/RaulPazemecxas/PoCVulDb/blob/main/README21.md broken-link exploit

cve.org (CVE-2025-7882)

nvd.nist.gov (CVE-2025-7882)

Download JSON

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