What’s Vulnerable › Vulnerabilities

CVE-2022-26209

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-03-15 · updated 2026-06-17
• Weakness: CWE-78

Description

Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026 were discovered to contain a command injection vulnerability in the function setUploadSetting, via the FileName parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

Affected products

• TOTOLINK A3000RU: 5.9c.5185_b20201128
• TOTOLINK A3100R: 4.1.2cu.5050_b20200504
• TOTOLINK A800R Firmware: 4.1.2cu.5137_b20200730
• TOTOLINK A810R Firmware: 4.1.2cu.5182_b20201026
• TOTOLINK A830R Firmware: 5.9c.4729_b20191112
• TOTOLINK A950Rg Firmware: 4.1.2cu.5161_b20200903

References

• https://github.com/pjqwudi1/my_vuln/blob/main/totolink/vuln_24/24.md
• https://github.com/pjqwudi1/my_vuln/blob/main/totolink/vuln_24/24.md

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