What’s Vulnerable › Vulnerabilities

CVE-2026-5204: Tenda CH22 Parameter webtypelibrary formWebTypeLibrary stack-based overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-31 · updated 2026-07-24
• Weakness: CWE-119

Description

A vulnerability was determined in Tenda CH22 1.0.0.1. Affected is the function formWebTypeLibrary of the file /goform/webtypelibrary of the component Parameter Handler. This manipulation of the argument webSiteId causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.

Affected products

• Tenda CH22: 1.0.0.1

References

• https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_49/README.md
• https://vuldb.com/submit/780209
• https://vuldb.com/vuln/354332
• https://vuldb.com/vuln/354332/cti
• https://www.tenda.com.cn/

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