CVE-2025-13799Public exploitNetwork attack vector

Authenticated command execution via unsanitized mac argument

Published Dec 1, 2025 · Updated Dec 1, 2025

Command injection in Chengdu Feiyuxing NBR1005GPEV2 250814-r037c allows remote authenticated users to execute commands via HTTP. The ap_macfilter_del handler in /send_order.cgi places the attacker-controlled mac argument into a command context without neutralizing shell metacharacters. Low-privilege management access is required; successful injection runs arbitrary commands on the router and can read, alter, or interrupt device operations.

CVSS severity6.3
Medium
EPSS probability9.44%
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 Chengdu Feiyuxing NBR1005GPEV2 250814-r037c allows remote authenticated users to execute commands via HTTP. The ap_macfilter_del handler in /send_order.cgi places the attacker-controlled mac argument into a command context without neutralizing shell metacharacters. Low-privilege management access is required; successful injection runs arbitrary commands on the router and can read, alter, or interrupt device operations.

The record

CVE
CVE-2025-13799
Published
Dec 1, 2025
Updated
Dec 1, 2025
Vendor
Chengdu Feiyuxing Technology Co., Ltd.
Product
NBR1005GPEV2
Classifications
CWE-74, CWE-77, T1190, T1059.008
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 1, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 1, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=250814-r037c

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Chengdu Feiyuxing Technology Co., Ltd. · NBR1005GPEV2version=250814-r037c

Published CVSS scores

6.3VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
6.5VulDBAV:N/AC:L/Au:S/C:P/I:P/A:P
2.1VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')
T1190Exploit Public-Facing Application
T1059.008Command and Scripting Interpreter: Network Device CLI

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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