CVE-2022-35523Public exploitNetwork attack vector

Authenticated command injection via unfiltered blacklist parameters

Published Aug 9, 2022 · Updated Aug 3, 2024

Command injection in WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, and WN531P3 allows remote authenticated users to execute commands. The /cgi-bin/firewall.cgi handler accepts unfiltered del_mac and flag values from /cli_black_list.shtml as command input. Administrative login is required, after which a crafted blacklist-deletion request executes attacker-supplied commands with the router service's privileges.

CVSS severity9.8
Critical
EPSS probability2.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Command injection in WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, and WN531P3 allows remote authenticated users to execute commands. The /cgi-bin/firewall.cgi handler accepts unfiltered del_mac and flag values from /cli_black_list.shtml as command input. Administrative login is required, after which a crafted blacklist-deletion request executes attacker-supplied commands with the router service's privileges.

The record

CVE
CVE-2022-35523
Published
Aug 9, 2022
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
T1059
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 9, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

T1059Command and Scripting Interpreter

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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