CVE-2026-1686HIGH 8.8EPSS p46.6%

CVE-2026-1686CVE-2026-1686

Description

A security flaw has been discovered in Totolink A3600R 5.9c.4959. This issue affects the function setAppEasyWizardConfig in the library /lib/cste_modules/app.so. Performing a manipulation of the argument apcliSsid results in buffer overflow. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.

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
EPSS0.66% probability of exploitation · percentile 46.6% · 2026-06-18T12:00:27Z
Published2026-01-30
Last modified2026-02-10

Underlying weaknesses· 2

CWE-119CWE-120

References

  1. https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3600R/4959-apcliSsid-setAppEasyWizardConfig.md
  2. https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/ToTolink/A3600R/4959-apcliSsid-setAppEasyWizardConfig.md#poc
  3. https://vuldb.com/?ctiid.343480
  4. https://vuldb.com/?id.343480
  5. https://vuldb.com/?submit.740888
  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-2026-6157
CVE
CVE-2026-31027
CVE
CVE-2026-1156
CVE
CVE-2026-1157
CVE
CVE-2026-1155
CVE
CVE-2026-1143
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.