CVE-2026-0840 is a high-severity buffer overflow vulnerability affecting UTT 进取 520W firmware version 1.7.7-180627. The vulnerability resides in the strcpy function within /goform/formConfigNoticeConfig, specifically when handling the 'timestart' argument. This flaw allows for remote exploitation, potentially leading to complete compromise of confidentiality, integrity, and availability. While the exploit has been publicly disclosed, there is no evidence of active exploitation, nor are there readily available Metasploit, Nuclei, or ExploitDB modules. Community discussion and media coverage for this CVE are minimal.
| 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.