What’s Vulnerable › Vulnerabilities

CVE-2020-22079

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-10-29 · updated 2026-06-17
• Weakness: CWE-787

Description

Stack-based buffer overflow in Tenda AC-10U AC1200 Router US_AC10UV1.0RTL_V15.03.06.48_multi_TDE01 allows remote attackers to execute arbitrary code via the timeZone parameter to goform/SetSysTimeCfg.

Affected products

• Tendacn Ac10U Firmware: 15.03.06.48_multi_tde01
• Tendacn Ac9 Firmware: 15.03.05.19(6318), 15.03.06.42_multi

References

• https://cwe.mitre.org/data/definitions/121.html
• https://github.com/1sd3d/Tendown/tree/master/PoCs/Auth/bof11
• https://github.com/Lyc-heng/routers/blob/main/routers/stack1.md
• https://cwe.mitre.org/data/definitions/121.html
• https://github.com/1sd3d/Tendown/tree/master/PoCs/Auth/bof11
• https://github.com/Lyc-heng/routers/blob/main/routers/stack1.md

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