What’s Vulnerable › Vulnerabilities

CVE-2021-20708

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-26 · updated 2026-06-17
• Weakness: CWE-78

Description

NEC Aterm devices (Aterm WF1200CR firmware Ver1.3.2 and earlier, Aterm WG1200CR firmware Ver1.3.3 and earlier, and Aterm WG2600HS firmware Ver1.5.1 and earlier) allow authenticated attackers to execute arbitrary OS commands by sending a specially crafted request to a specific URL.

Affected products

• NEC Aterm Wf1200Cr Firmware: through 1.3.2
• NEC Aterm Wg1200Cr Firmware: through 1.3.3
• NEC Corporation Aterm WG2600HS: through 1.5.1

References

• https://jpn.nec.com/security-info/secinfo/nv21-010.html
• https://jvn.jp/en/jp/JVN29739718/index.html
• https://jpn.nec.com/security-info/secinfo/nv21-010.html
• https://jvn.jp/en/jp/JVN29739718/index.html

Get alerted when CVE-2021-20708 or the next vulnerability affects your stack