Root command execution via injected DDNS configuration
Published May 4, 2026 · Updated May 4, 2026
OS command injection in GeoVision GV-LPC2011/LPC2211 1.10 allows remote authenticated users to execute commands as root. DdnsSetting.cgi stores unsanitized DDNS fields, and s_SIiDdns_UpdateCfg writes injected line breaks as an ez-ipupdate execute directive in ddns.conf. Administrative web access is required, and the command runs after a successful DDNS update, which can be forced by redirecting DDNS traffic.
Summary
What happened
OS command injection in GeoVision GV-LPC2011/LPC2211 1.10 allows remote authenticated users to execute commands as root. DdnsSetting.cgi stores unsanitized DDNS fields, and s_SIiDdns_UpdateCfg writes injected line breaks as an ez-ipupdate execute directive in ddns.conf. Administrative web access is required, and the command runs after a successful DDNS update, which can be forced by redirecting DDNS traffic.
The record
- CVE
- CVE-2026-42364
- Published
- May 4, 2026
- Updated
- May 4, 2026
- Vendor
- GeoVision
- Product
- GV-LPC2011/LPC2211
- Classifications
- CWE-78, T1059.004
- Attack vector
- network
- Privileges
- admin
Timeline
How it unfolded
- May 4, 2026CVE publishedPublication date reported by the CVE source.
- May 4, 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?
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- Affected versionversion=1.10
What conditions does exploitation require?
What is affected?
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.
Weakness, pattern, technique
Public exploit references
- Talos DDNS configuration injection reproductionproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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