CVE-2025-13798Public exploitNetwork attack vector

Authenticated command execution via unneutralized mac parameter

Published Dec 1, 2025 · Updated Dec 1, 2025

Command injection in Chengdu Feiyuxing NBR1005GPEV2 250814-r037c allows remote authenticated users to execute commands via the mac parameter. The ap_macfilter_add function in /send_order.cgi places the attacker-controlled mac value into a command context without neutralizing command syntax. Access to the management endpoint with low privileges is required, and successful exploitation permits command execution on the router.

CVSS severity9.8
Critical
EPSS probability7.10%
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 the mac parameter. The ap_macfilter_add function in /send_order.cgi places the attacker-controlled mac value into a command context without neutralizing command syntax. Access to the management endpoint with low privileges is required, and successful exploitation permits command execution on the router.

The record

CVE
CVE-2025-13798
Published
Dec 1, 2025
Updated
Dec 1, 2025
Vendor
Chengdu Feiyuxing Technology Co., Ltd.
Product
NBR1005GPEV2
Classifications
CWE-74, CWE-77, T1190
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

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
9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
6.5VulDBAV:N/AC:L/Au:S/C:P/I:P/A:P
6.3VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

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

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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