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CVE-2025-28137 is a pre-authentication remote command execution vulnerability affecting TOTOLINK A810R firmware version V4.1.2cu.5182_B20201026. The flaw is present in the setNoticeCfg function, where the NoticeUrl parameter is insufficiently sanitized before being used in a way that allows operating system command injection. An unauthenticated remote attacker can supply crafted input to this parameter and cause arbitrary commands to be executed on the device.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
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.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Totolink vulnerability exploited by the Dysphoria botnet to compromise devices.
A recently disclosed IoT-device vulnerability reportedly used by the Dysphoria botnet for propagation.
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.