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Public proof of concept

CVE-2022-40864

A public proof of concept exists; no exploitation attested.

  • Published2022-09-23
  • WeaknessCWE-787

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

Tenda AC15 and AC18 routers V15.03.05.19 contain stack overflow vulnerabilities in the function setSmartPowerManagement with the request /goform/PowerSaveSet

Timeline

dates in UTC
  1. 2022-09-2314:15CVE publishedNVD

Versions per branch

NVD
Tendacn ac15 firmwareversion to verify
BranchAffectedFixed in
15.3= 15.03.05.19no fix published
Tendacn ac18 firmwareversion to verify
BranchAffectedFixed in
15.3= 15.03.05.19no 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

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2022-09-23
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-5fp5-vv6c-j2hj

Frequently asked questions

What is CVE-2022-40864?

Tenda AC15 and AC18 routers V15.03.05.19 contain stack overflow vulnerabilities in the function setSmartPowerManagement with the request /goform/PowerSaveSet

Is CVE-2022-40864 actively exploited?

A proof-of-concept exploit exists for CVE-2022-40864, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2022-40864?

CVE-2022-40864 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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Sources for this record