What’s Vulnerable › Vulnerabilities

CVE-2021-34207

• Severity: medium (CVSS 6.1 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: yes
• Published: 2021-08-20 · updated 2026-06-17
• Weakness: CWE-79

Description

Cross-site scripting in ddns.htm in TOTOLINK A3002R version V1.1.1-B20200824 (Important Update, new UI) allows attackers to execute arbitrary JavaScript by modifying the "Domain Name" field, "Server Address" field, "User Name/Email", or "Password/Key" field.

Affected products

• TOTOLINK A3002R: 1.1.1-b20200824

References

• https://github.com/pup2y/IoTVul/tree/main/TOTOLINK/A3002R
• https://github.com/pup2y/IoTVul/tree/main/TOTOLINK/A3002R

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