🛡️ CVE-2022-21182 — inrouter302-firmware

🟠 CVSS 8.8 — High ⚠️ Exploit Public CWE-284 NVD
8.8
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2022-21182 is classified as CWE-284: Improper Access Control. The software does not restrict an action to the actors that should be allowed to perform it.

Affected software

CVE-2022-21182 is recorded against 1 package.

  • inrouter302-firmware (fixed in 3.5.4)

Timeline and source

Published on 12 May 2022 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

talosintelligence.com
www.inhandnetworks.com
talosintelligence.com
www.inhandnetworks.com

Details

Severity HIGH
CVSS Score 8.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-284
Public Exploit ⚠️ Yes
Source NVD
Published 2022-05-12
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
inrouter302-firmware — 3.5.4

Similar Threats

Exploit Protection

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CVE-2022-21182 carries CVSS 8.8 High rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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