CriticalPublic exploit

Unauthenticated OS command injection in Vivotek legacy camera firmware upload_map.cgi

IdentifiersCVE-2026-22755CWE-78

CVE-2026-22755 is a command injection vulnerability in Vivotek legacy surveillance camera firmware affecting numerous models/firmware modules (e.g., FD/FE/IB/IP/IT/MA/MS/TB series; firmware versions cited include 0100a through 0125c). The flaw is in the file upload handling path exposed via /cgi-bin/admin/upload_map.cgi: a user-controlled filename (e.g., POST_FILE_NAME) is incorporated into a command string via an unsanitized snprintf() and then executed via system(), allowing shell metacharacter injection (e.g., semicolons) and arbitrary command execution. Reports indicate the executed context is the HTTP server user, which is root on affected devices, and that many impacted legacy cameras may ship without password protection by default, making exploitation often unauthenticated.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation enables remote arbitrary command execution on affected cameras, reportedly as root, resulting in full device compromise/administrative control. Downstream impacts described include installation of botnet malware, data exfiltration, disruption of surveillance operations, use of the device as a pivot for lateral movement within the network, and participation in botnet-driven DDoS activity.

Mitigation

If you can’t patch tonight, do this now.

Restrict exposure of camera management/admin interfaces (including /cgi-bin/admin/upload_map.cgi) to trusted management networks/VPN only; segment/isolated VLANs for legacy camera infrastructure; deploy IDS/signatures and monitor for suspicious POST uploads/requests to upload_map.cgi (including camid parameter and anomalous filenames containing shell metacharacters); perform device inventory/audits to identify affected models and prioritize containment; monitor for anomalous process execution and unexpected outbound traffic indicative of botnet enrollment or exfiltration.

Remediation

Patch, then assume compromise.

Apply vendor firmware updates that remediate CVE-2026-22755 for all affected Vivotek models/firmware modules (fixed versions are not specified in the provided content). Where updates are not available (legacy/EOL), replace devices or remove them from service, or otherwise ensure they are not reachable from untrusted networks.

PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType

VivotekFd8365hardware

VivotekFd8365v2hardware

VivotekFd9165hardware

VivotekFd9171hardware

VivotekFd9187hardware

VivotekFd9189hardware

VivotekFd9365hardware

VivotekFd9371hardware

VivotekFd9381hardware

VivotekFd9387hardware

VivotekFd9389hardware

VivotekFd9391hardware

VivotekFe9180hardware

VivotekFe9181hardware

VivotekFe9191hardware

VivotekFe9381hardware

VivotekFe9382hardware

VivotekFe9391hardware

VivotekFe9582hardware

VivotekIb93587lprhardware

VivotekIb9365hardware

VivotekIb9371hardware

VivotekIb9381hardware

VivotekIb9387hardware

VivotekIb9389hardware

VivotekIb939hardware

VivotekIp9165hardware

VivotekIp9171hardware

VivotekIp9172hardware

VivotekIp9181hardware

VivotekIp9191hardware

VivotekIt9389hardware

VivotekMa9321hardware

VivotekMa9322hardware

VivotekMs9321hardware

VivotekMs9390hardware

VivotekTb9330hardware

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

13 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

13 SOURCESView more in app

the hacker newsNews

Jan 26, 2026

⚡ Weekly Recap: Firewall Flaws, AI-Built Malware, Browser Traps, Critical CVEs & More

An unauthenticated command injection in Vivotek legacy camera firmware (upload_map.cgi filename handling) enabling remote root command execution.

risky biz rssNews

Jan 22, 2026

Improperly patched bug exploited again in Fortinet firewalls

Unauthenticated remote code execution affecting multiple (legacy framework) Vivotek IP camera models.

cyber security newsNews

Jan 22, 2026

Critical Vivotek Vulnerability Allows Remote Users to Inject Arbitrary Code

An unauthenticated command injection / remote code execution vulnerability in Vivotek legacy camera firmware via upload_map.cgi, where a crafted firmware upload filename containing shell metacharacters is passed to system(), enabling root-level command execution.

security online infoNews

Jan 22, 2026

Critical Vivotek Flaw Grants Root Access (CVE-2026-22755)

A critical unauthenticated (likely) remote command injection in Vivotek legacy camera firmware via improper sanitization of uploaded filenames to upload_map.cgi, enabling attackers to execute shell commands as root and fully compromise affected cameras.

+1 more in the timeline

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.

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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity8

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES

MITRE CVE

cve.org · CVE-2026-22755

NVD

nvd.nist.gov/vuln/detail/CVE-2026-22755

MITRE CWE · CWE-78

cwe.mitre.org

vapidlabs.com

vapidlabs.com/advisory.php?v=220

akamai.com

akamai.com/blog/security-research/command-injection-vivotek-legacy-firmware-need-to-know