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Public proof of concept

CVE-2026-6992

A public proof of concept exists; no exploitation attested.

  • Published2026-04-25
  • WeaknessCWE-77 · CWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability was identified in Linksys MR9600 2.0.6.206937. This affects the function BTRequestGetSmartConnectStatus of the file /etc/init.d/run_central2.sh of the component JNAP Action Handler. The manipulation of the argument pin leads to os command injection. The attack may be initiated remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Timeline

dates in UTC
  1. 2026-04-2518:16CVE publishedNVD
  2. 2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-6992?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-6992?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Linksys mr9600 firmwareversion to verify
BranchAffectedFixed in
2.0= 2.0.6.206937no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-10-23 19:25 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiednicholas-howland/CVE-2026-6992-PoC
PoC-in-GitHub

Sources

  • NVDCVE recordread 2026-10-23
  • CISA-ADPSSVC decisionpoc2026-04-27
  • OpenCVESSVC decisionpoc—
  • CNACVSS 4.07.3read 2026-10-23
  • CNACVSS 3.17.2read 2026-10-23
  • CNACVSS 2.08.3read 2026-10-23
  • CNAweakness (CWE)CWE-77, CWE-78read 2026-10-23
  • FIRST EPSSEPSS score8.0 %2026-10-22
  • PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
Published
2026-04-25
Last Modified
2026-06-17
NVD status
Analyzed

Frequently asked questions

What is CVE-2026-6992?

A vulnerability was identified in Linksys MR9600 2.0.6.206937. This affects the function BTRequestGetSmartConnectStatus of the file /etc/init.d/run_central2.sh of the component JNAP Action Handler. The manipulation of the argument pin leads to os command injection. The attack may be initiated remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Is CVE-2026-6992 actively exploited?

A proof-of-concept exploit exists for CVE-2026-6992, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-6992?

CVE-2026-6992 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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