CVE-2025-7837HIGH 8.8EPSS p58.8%

CVE-2025-7837CVE-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.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.98% probability of exploitation · percentile 58.8% · 2026-08-03T12:00:16Z
Published2025-07-19
Last modified2025-07-23

Underlying weaknesses· 2

CWE-119CWE-120

References

  1. https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/4.md
  2. https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/4.md#poc
  3. https://vuldb.com/?ctiid.316940
  4. https://vuldb.com/?id.316940
  5. https://vuldb.com/?submit.617572
  6. https://www.totolink.net/

2

TypeTargetConfidenceTier
WeaknessImproper Restriction of Operations within the Bounds of a Memory Buffercwe-1190%live
WeaknessBuffer Copy without Checking Size of Input ('Classic Buffer Overflow')cwe-1200%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2025-7912
CVE
CVE-2025-7913
CVE
CVE-2025-8170
CVE
CVE-2025-7952
CVE
CVE-2025-7758
CVE
CVE-2025-9781
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.