CVE-2021-20709
Last modified
CVE-2021-20709 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. Improper validation of integrity check value vulnerability in NEC 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 allows an attacker with an administrative privilege to execute arbitrary OS commands by sending a specially crafted request to a specific URL.. EPSS estimates a 0.66% chance of exploitation in the next 30 days.
Description
Improper validation of integrity check value vulnerability in NEC 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 allows an attacker with an administrative privilege to execute arbitrary OS commands by sending a specially crafted request to a specific URL.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nec | Aterm Wf1200cr Firmware | <= 1.3.2 |
| Nec | Aterm Wg1200cr Firmware | <= 1.3.3 |
| Nec | Aterm Wg2600hs Firmware | <= 1.5.1 |
References
- https://jpn.nec.com/security-info/secinfo/nv21-010.htmlMitigation, Vendor Advisory
- https://jvn.jp/en/jp/JVN29739718/index.htmlThird Party Advisory
- https://jpn.nec.com/security-info/secinfo/nv21-010.htmlMitigation, Vendor Advisory
- https://jvn.jp/en/jp/JVN29739718/index.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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