CVE-2025-34043
High PUBLISHEDVacron NVR Remote Command Execution
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
A remote command injection vulnerability exists in Vacron Network Video Recorder (NVR) devices v1.4 due to improper input sanitization in the board.cgi script. The vulnerability allows unauthenticated attackers to pass arbitrary commands to the underlying operating system via crafted HTTP requests. These commands are executed with the privileges of the web server process, enabling remote code execution and potential full device compromise. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-06 UTC.
- CVE Published
- Jun 26, 2025
- Exploitation Reported
- Jan 10, 2026
- CVSS
- 10.0 Critical
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| Vacron |
Network Video Recorder (NVR)
|
1.4 |
Affected |
CVE References
- Third-Party Advisory — tenable.com tenable.com · Third-Party Advisory https://www.tenable.com/plugins/nessus/104124
- Third-Party Advisory — sonicwall.com sonicwall.com · Third-Party Advisory https://www.sonicwall.com/blog/vacron-network-video-recorder-remote-c...
- Third-Party Advisory — ssd-disclosure.com ssd-disclosure.com · Third-Party Advisory https://ssd-disclosure.com/ssd-advisory-vacron-nvr-remote-command-exe...
- Third-Party Advisory — broadcom.com broadcom.com · Third-Party Advisory https://www.broadcom.com/support/security-center/attacksignatures/det...
- Third-Party Advisory — vulncheck.com vulncheck.com · Third-Party Advisory https://vulncheck.com/advisories/vacron-nvr-remote-command-execution
Show 1 more reference
- Product — vacron.com vacron.com · Product https://www.vacron.com/
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| The Shadowserver First | 2026-01-10 00:00 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Exploitation Status
Exploited in the wild
Recorded 2026-01-10 00:00:00 UTC · The Shadowserver
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC 6 months ago00:00 UTC · 6 months ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
15:51 UTC about 1 year ago15:51 UTC · about 1 year ago
CVE published
Vulnerability disclosed publicly
-
19:15 UTC over 1 year ago19:15 UTC · over 1 year ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2025-34043
{
"cve_id": "CVE-2025-34043",
"title": "Vacron NVR Remote Command Execution",
"affected_vendor": "Vacron",
"affected_product": "Network Video Recorder (NVR)",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 10.0,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}