CVE-2026-7546CRITICAL 9.8EPSS p50.2%

CVE-2026-7546CVE-2026-7546

Description

A security vulnerability has been detected in Totolink NR1800X 9.1.0u.6279_B20210910. The impacted element is the function find_host_ip of the component lighttpd. Such manipulation of the argument Host leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.75% probability of exploitation · percentile 50.2% · 2026-06-19T12:03:05Z
Published2026-05-01
Last modified2026-05-01

Underlying weaknesses· 2

CWE-119CWE-121

References

  1. https://github.com/newym/cve/blob/main/totolinknr1800x.md
  2. https://vuldb.com/submit/804404
  3. https://vuldb.com/vuln/360357
  4. https://vuldb.com/vuln/360357/cti
  5. https://www.totolink.net/

2

TypeTargetConfidenceTier
WeaknessImproper Restriction of Operations within the Bounds of a Memory Buffercwe-1190%live
WeaknessStack-based Buffer Overflowcwe-1210%live

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