What’s Vulnerable › Vulnerabilities

CVE-2026-90688: Tenda W20E HTTP formIPMacBindAdd stack-based overflow

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-14 · updated 2026-09-15
• Weakness: CWE-119

Description

A vulnerability was identified in Tenda W20E 15.11.0.61068_1546_841_CN_TDC. This issue affects the function formIPMacBindAdd of the component HTTP Handler. Such manipulation of the argument IPMacBindRule leads to stack-based buffer overflow. It is possible to launch the attack remotely.

Affected products

• Tenda W20E: 15.11.0.61068_1546_841_CN_TDC

References

• https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/Tenda/W20E/formIPMacBindAdd/README.md
• https://vuldb.com/cve/CVE-2026-90688
• https://vuldb.com/submit/914958
• https://vuldb.com/vuln/403221
• https://vuldb.com/vuln/403221/cti
• https://www.tenda.com.cn/
• https://github.com/Amalll-Sec/router-vulnerability-research/blob/main/advisories/Tenda/W20E/formIPMacBindAdd/README.md

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