Buffer Overflow in Tenda AC23 formSetVirtualSer
CVE-2025-12595 is a remotely exploitable buffer overflow vulnerability in Tenda AC23 firmware version 16.03.07.52. The flaw is reported in the function formSetVirtualSer, exposed through the /goform/SetVirtualServerCfg endpoint. According to the provided description, improper handling of the argument list supplied to this function can trigger a buffer overflow condition. Because the vulnerable functionality is reachable over the network, a remote attacker can send crafted input to the affected endpoint and cause memory corruption. Public exploit code is reportedly available.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
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.
Recent activity
10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A CVE identifier referenced as part of the campaign’s fake PoC repositories distributing Webrat; no technical details of the vulnerability are provided.
A vulnerability in the Tenda AC23 wireless router.
The version that knows your environment.
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.