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Public proof of concept

CVE-2022-21182

A public proof of concept exists; no exploitation attested.

  • Published2022-05-12
  • WeaknessCWE-284

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 privilege escalation vulnerability exists in the router configuration import functionality of InHand Networks InRouter302 V3.5.4. A specially-crafted HTTP request can lead to increased privileges. An attacker can send an HTTP request to trigger this vulnerability.

Timeline

dates in UTC
  1. 2022-05-1217:15CVE publishedNVD

Versions per branch

NVD
Inhandnetworks inrouter302 firmwareversion to verify
BranchAffectedFixed in
3.5≤ 3.5.4no fix published

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

Products declared by the CNA1 product

As talos, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • InHand Networks InRouter302
    Affected
    • = V3.5.4no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2022-05-12

Fix

Advisories and patches

Detection

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

Sources

  • CISA-ADPSSVC decisionpoc2025-04-15
  • NVDCVSS 3.18.8read 2026-10-23
  • CNACVSS 3.07.4known since 2026-10-23
  • NVDCVSS 2.06.5read 2026-10-23
  • CNAweakness (CWE)CWE-284known since 2026-10-23
  • FIRST EPSSEPSS score2.0 %2026-11-08
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2022-05-12
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-h6h4-hwj4-6rv9

Frequently asked questions

What is CVE-2022-21182?

A privilege escalation vulnerability exists in the router configuration import functionality of InHand Networks InRouter302 V3.5.4. A specially-crafted HTTP request can lead to increased privileges. An attacker can send an HTTP request to trigger this vulnerability.

Is CVE-2022-21182 actively exploited?

A proof-of-concept exploit exists for CVE-2022-21182, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2022-21182?

CVE-2022-21182 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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