CVE-2021-27246 is a critical vulnerability affecting TP-Link Archer A7 AC1750 routers (firmware 1.0.15) that allows unauthenticated, network-adjacent attackers to execute arbitrary code with root privileges. The flaw resides in the tdpServer endpoint's handling of MAC addresses, where a specially crafted TCP message can overwrite stack pointers. With a CVSS score of 8.0 (High), this vulnerability requires no user interaction and has a high impact on confidentiality, integrity, and availability. Despite its severity, there is no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0.15CPE matchmatch criteria | cpe:2.3:o:tp-link:ac1750_firmware:1.0.15:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:A/AC:L/PR:N/UI:R/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, 0.1 Mastodon, and 0.1 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.