CVE-2026-1140 is a high-severity buffer overflow vulnerability affecting UTT 进取 520W firmware version 1.7.7-180627, specifically within the strcpy function of the /goform/ConfigExceptAli file. This flaw allows for remote exploitation with low attack complexity and no user interaction, potentially leading to complete compromise of confidentiality, integrity, and availability. While not currently listed on the KEV catalog, public exploit code exists, and the vulnerability has garnered significant community discussion, indicating a heightened risk despite the vendor's unresponsiveness.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.7.7-180627CPE matchmatch criteria | cpe:2.3:o:utt:520w_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.