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CVE-2025-15517 is a missing authentication check in the HTTP server of TP-Link Archer NX200, NX210, NX500, and NX600 routers. The flaw affects certain CGI endpoints that are intended to be accessible only to authenticated users. Due to the absent authentication enforcement, an unauthenticated remote attacker can directly invoke privileged HTTP functionality exposed by those endpoints. Reported privileged actions include firmware upload and configuration-related operations, creating an authentication bypass condition in the router management interface.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
11 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An authentication bypass vulnerability in TP-Link Archer NX series routers caused by a missing authentication check, allowing access to CGI endpoints intended only for authenticated users.
An authentication bypass vulnerability in TP-Link Archer NX routers that allows unauthenticated attackers to perform privileged HTTP actions, including firmware upload and configuration operations.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.