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Vulnerability Intelligence Report

CVE-2022-26532

A argument injection vulnerability in the 'packet-trace' CLI command of Zyxel USG/ZyWALL series firmware versions 4.09 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, VPN series firmware versions 4.30 through 5.21, NSG series firmware versions 1.00 through 1.33 Patch 4, NXC2500 firmware version 6.10(AAIG.3) and earlier versions, NAP203 firmware version 6.25(ABFA.7) and earlier versions, NWA50AX firmware version 6.25(ABYW.5) and earlier versions, WAC500 firmware version 6.30(ABVS.2) and earlier versions, and WAX510D firmware version 6.30(ABTF.2) and earlier versions, that could allow a local authenticated attacker to execute arbitrary OS commands by including crafted arguments to the CLI command.

No Active Exploit Signals
CVSS Base Score
7.8
HIGH
Exploitability:1.9
Impact Score:5.9
EPSS Probability:4.79%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
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Weaponization
—
SSVC Action
—

Weaknesses (CWE)

CWE-88 ↗CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

Affected Products & Versions

Vendor Product Affected Versions
Zyxel USG/ZyWALL series firmware 4.09 through 4.71 (affected)
Zyxel USG FLEX series firmware 4.50 through 5.21 (affected)
Zyxel ATP series firmware 4.32 through 5.21 (affected)
Zyxel VPN series firmware 4.30 through 5.21 (affected)
Zyxel NSG series firmware 1.00 through 1.33 Patch 4 (affected)
Zyxel NXC2500 firmware <= 6.10(AAIG.3) (affected)
Zyxel NAP203 firmware <= 6.25(ABFA.7) (affected)
Zyxel NWA50AX firmware <= 6.25(ABYW.5) (affected)
Zyxel WAC500 firmware <= 6.30(ABVS.2) (affected)
Zyxel WAX510D firmware <= 6.30(ABTF.2) (affected)

References & Technical Advisories

No reference links found.

Threat Intelligence Signals

EPSS Score
4.789%

Identity & Timeline

StatusPUBLISHED
Assigning AuthorityZyxel Corporation · Vendor · Taiwan
Reserved2022-03-07T00:00:00
Published2022-05-24T05:20:09
Last Updated2024-08-03T05:03:32

LINK COPIED TO CLIPBOARD