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CVE-2021-35395 encompasses stack-based buffer overflows and command-execution vulnerabilities in the HTTP management interfaces of Realtek Jungle SDK v2.x through v3.4.14B. Both the GoAhead-based and Boa-based implementations are affected. Unsafe parameter copying causes stack-based buffer overflows in formRebootCheck, formWsc, and formWlanMultipleAP through submit-url; formWlSiteSurvey through ifname; formStaticDHCP through hostname; and formWsc through peerPin. Additional issues allow arbitrary command execution through the sysCmd parameter in formSysCmd and command injection through peerPin in formWsc. Successful exploitation permits remote arbitrary code execution on the device. Exposure and authentication requirements vary with manufacturers' modifications and the functionality retained in their firmware.
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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.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Realtek SDK vulnerability used for Dark.IoT botnet propagation shortly after disclosure in 2021. The content does not describe its technical root cause.
A Realtek AP-Router SDK vulnerability involving command injection and out-of-bounds write, exploited by Zerobot.
A Realtek Jungle SDK vulnerability listed as exploited by Zerobot; the provided IPS signature identifies buffer overflow.
A vulnerability for which Microsoft Defender for IoT has alerting because exploitation may be tied to Zerobot activity.
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.