CVE-2026-36827Network attack vector

Authenticated command execution via eval argument processing

Published May 19, 2026 · Updated May 19, 2026

Command injection in Panabit PAP-XM320 7.7 and earlier allows remote authenticated users to execute arbitrary shell commands. The web management interface passes user-controlled parameters to /usr/sbin/pappiw, whose eval-based argument processing treats them as shell syntax. Access to the management interface and valid authentication are required; successful exploitation runs commands in the helper's execution context.

CVSS severity5.4
Medium
EPSS probability0.74%
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 Panabit PAP-XM320 7.7 and earlier allows remote authenticated users to execute arbitrary shell commands. The web management interface passes user-controlled parameters to /usr/sbin/pappiw, whose eval-based argument processing treats them as shell syntax. Access to the management interface and valid authentication are required; successful exploitation runs commands in the helper's execution context.

The record

CVE
CVE-2026-36827
Published
May 19, 2026
Updated
May 19, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-78, T1059.004
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 19, 2026CVE publishedPublication date reported by the CVE source.
  2. May 19, 2026Record 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

5.4CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

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 exploitUnconfirmed

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059.004Unix Shell

Public exploit references

No public exploit references are available in this record.

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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