SecuriTricks - CVE-2025-7837

Description

A vulnerability was found in TOTOLINK T6 4.1.5cu.748_B20211015 and classified as critical. Affected by this issue is the function recvSlaveStaInfo of the component MQTT Service. The manipulation of the argument dest leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Product(s) Impacted

Vendor	Product	Versions
Totolink	T6	4.1.5cu.748_B20211015

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	totolink	t6	4.1.5cu.748_B20211015	/	/	/	/	/	/	/

References

https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/4.md

https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/4.md#poc

https://vuldb.com/?ctiid.316940

https://vuldb.com/?id.316940

https://vuldb.com/?submit.617572

https://www.totolink.net/

CVSS Score

7.4 / 10

CVSS Data - 4.0

Attack Vector: NETWORK
Attack Complexity: LOW
Attack Requirements: NONE
Privileges Required: LOW
User Interaction: NONE
Scope:
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH
Exploit Maturity: PROOF_OF_CONCEPT

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

View Vector String

Timeline

Published: July 19, 2025, 5:15 p.m.
Last Modified: July 19, 2025, 5:15 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cna@vuldb.com

CVE-2025-7837