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CVE-2026-4558 is an OS command injection vulnerability in Linksys MR9600 firmware version 2.0.6.206937. The flaw is in the smartConnectConfigure function within SmartConnect.lua. According to the provided content, attacker-controlled input supplied via the configApSsid, configApPassphrase, srpLogin, or srpPassword arguments is not safely neutralized before being used in an operating-system command context, allowing command injection. The issue is described as remotely exploitable, and a public exploit has been published. The available material does not provide deeper implementation details such as the exact sink, command construction logic, or full call chain for this specific CVE.
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No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
12 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Another documented vulnerability in Linksys MR9600 firmware 2.0.6.206937 affecting the smartConnectConfigure function in SmartConnect.lua, cited as part of a broader pattern in the Smart Connect feature set.
A remote OS command injection vulnerability in Linksys MR9600 firmware 2.0.6.206937, affecting the smartConnectConfigure function in SmartConnect.lua.
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.