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CVE-2020-29557 is a buffer overflow in the web interface of D-Link DIR-825 R1 routers, affecting firmware versions through 3.0.1 before November 20, 2020. The vulnerability permits remote code execution before authentication. The specific vulnerable function, request parameters, and memory layout are not established. Exploitation in the wild has been documented, and the MANGA Mirai variant targets this vulnerability.
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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.
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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.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A buffer overflow vulnerability in D-Link DIR-825 R1 that the content notes was actively exploited in the wild.
A buffer overflow vulnerability affecting D-Link DIR-825 devices that the MANGA Mirai variant attempts to exploit.
A buffer overflow in a Wi-Fi router web interface that the content explicitly states was exploited in the wild.
A buffer overflow affects a Wi-Fi router's web interface. The content identifies known exploitation through CISA KEV.
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.