CVE-2021-21748 describes two critical stack-based buffer overflow vulnerabilities affecting the ZTE MF971R product, including its firmware. These vulnerabilities, with a CVSS score of 9.8 (CRITICAL), allow an unauthenticated attacker to execute arbitrary code remotely with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation (KEV: No) and no public exploit code (Metasploit, Nuclei, ExploitDB: None), the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
v1.0.0b05CPE matchmatch criteria | cpe:2.3:o:zte:mf971r_firmware:v1.0.0b05:*:*:*:*:*:*:* | ||
1v1.0.0b06CPE matchmatch criteria | cpe:2.3:o:zte:mf971r_firmware:1v1.0.0b06:*:*:*:*:*:*:* | ||
2v1.0.0b03CPE matchmatch criteria | cpe:2.3:o:zte:mf971r_firmware:2v1.0.0b03:*:*:*:*:*:*:* | ||
s2v1.0.0b03CPE matchmatch criteria | cpe:2.3:o:zte:mf971r_firmware:s2v1.0.0b03:*:*:*:*:*:*:* | ||
sv1.0.0b05CPE matchmatch criteria | cpe:2.3:o:zte:mf971r_firmware:sv1.0.0b05:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.