Unauthenticated command execution via diagnostic parameters
Published Sep 20, 2026 · Updated Sep 20, 2026
Command injection in the NBR200V2 1.3.241127.071246 CGI diagnostic endpoint allows remote attackers to execute commands through crafted requests. The /www/cgi-bin/network_tools handler accepts attacker-controlled param, key, or val data and uses it in command processing without adequate neutralization. No authentication or user interaction is required, and successful exploitation permits reading or changing device data and interrupting routing.
Summary
What happened
Command injection in the NBR200V2 1.3.241127.071246 CGI diagnostic endpoint allows remote attackers to execute commands through crafted requests. The /www/cgi-bin/network_tools handler accepts attacker-controlled param, key, or val data and uses it in command processing without adequate neutralization. No authentication or user interaction is required, and successful exploitation permits reading or changing device data and interrupting routing.
The record
- CVE
- CVE-2026-94097
- Published
- Sep 20, 2026
- Updated
- Sep 20, 2026
- Vendor
- Chengdu Feiyuxing Technology Co., Ltd.
- Product
- NBR200V2
- Classifications
- CWE-74, CWE-77, T1059
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 20, 2026CVE publishedPublication date reported by the CVE source.
- Sep 20, 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?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=1.3.241127.071246
What conditions does exploitation require?
What is affected?
Published CVSS scores
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.
Activity data is delayed. The latest report is Sep 28, 2026.
Weakness, pattern, technique
Public exploit references
- Netcore NBR200V2 Vul 5 proof of conceptproof of concept · unverified
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Technologies
Your stack
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Your stack
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