Administrative filter deletion via tokenless cross-origin requests
Published Dec 30, 2025 · Updated Dec 30, 2025
Cross-site request forgery in JM-DATA JF511-TV 1.0.55, 1.0.62, and 1.0.67 allows remote attackers to delete IP filter entries. The /boaform/admin/formURL handler accepts cross-origin POST requests with action=rm and attacker-supplied bcdata without a request-bound anti-CSRF token. Exploitation requires an authenticated administrator's browser to submit the crafted form; the demonstrated consequence is removal or disabling of URL-filter entries.
Summary
What happened
Cross-site request forgery in JM-DATA JF511-TV 1.0.55, 1.0.62, and 1.0.67 allows remote attackers to delete IP filter entries. The /boaform/admin/formURL handler accepts cross-origin POST requests with action=rm and attacker-supplied bcdata without a request-bound anti-CSRF token. Exploitation requires an authenticated administrator's browser to submit the crafted form; the demonstrated consequence is removal or disabling of URL-filter entries.
The record
- CVE
- CVE-2022-50804
- Published
- Dec 30, 2025
- Updated
- Dec 30, 2025
- Vendor
- JM-DATA Telekom GmbH
- Product
- JF511-TV
- Classifications
- CWE-352, T1204.001
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Dec 30, 2025CVE publishedPublication date reported by the CVE source.
- Dec 30, 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.
- Affected versionversion=1.0.55
- Affected versionversion=1.0.62
- Affected versionversion=1.0.67
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.
Public exploit references
- JF511-TV URL-filter deletion CSRF formproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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