The vulnerability of the formWebTypeLibrary function in the /goform/webtypelibrary file of the Parameter Handler component of the Tenda CH22 router microprogramming system, related to the issue of writing operations outside of the buffer in memory, allows a attacker to execute arbitrary code or cause service failures.
🗓️ 18 Sep 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 2 Views
| Reporter | Title | Published | Views | Family All 10 |
|---|---|---|---|---|
 | CVE-2026-5204 | 31 Mar 202615:45 | – | attackerkb |
 | CVE-2026-5204 | 31 Mar 202617:26 | – | circl |
 | Tenda CH22 安全漏洞 | 31 Mar 202600:00 | – | cnnvd |
 | CVE-2026-5204 | 31 Mar 202615:45 | – | cve |
 | CVE-2026-5204 Tenda CH22 Parameter webtypelibrary formWebTypeLibrary stack-based overflow | 31 Mar 202615:45 | – | cvelist |
 | EUVD-2026-17509 | 31 Mar 202618:31 | – | euvd |
 | CVE-2026-5204 | 31 Mar 202616:16 | – | nvd |
 | PT-2026-29267 | 31 Mar 202600:00 | – | ptsecurity |
 | CVE-2026-5204 | 1 Apr 202617:03 | – | redhatcve |
 | CVE-2026-5204 Tenda CH22 Parameter webtypelibrary formWebTypeLibrary stack-based overflow | 31 Mar 202615:45 | – | vulnrichment |
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18 Sep 2026 00:00Current
CVSS 38.8
CVSS 29
EPSS0.02475