PT-2025-31431 · Iptime · Iptime Nas Firmware

Lafdrew · Published 2025-07-30 · Updated 2025-07-31 · CVE-2025-50464

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions iptime NAS firmware version 1.5.04

Description A buffer overflow exists in the upload.cgi module due to the unsafe use of the strcpy function. This function copies data from the CONTENT TYPE HTTP header into a fixed-size stack buffer (8 bytes) without sufficient bounds checking. The issue is exploitable before authentication.

Recommendations Update to a newer version that contains a fix for this issue. As a temporary workaround, consider restricting access to the upload.cgi module to minimize the risk of exploitation.

Exploit

Fix

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

CVE-2025-50464

Affected Products

Iptime Nas Firmware

References · 7

• 🔥 https://github.com/lafdrew/IOT/blob/main/iptime_nas_1.5.04/Buffer-Overflow-in-upload-cgi-of-iptime-nas-1-5-04.md · Exploit
• https://osv.dev/vulnerability/CVE-2025-50464 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-50464 · Security Note
• https://twitter.com/VulmonFeeds/status/1950745695998103734 · Twitter Post
• https://t.me/CVEtracker/28772 · Telegram Post
• https://lafdrew.github.io/2025/04/25/Buffer-Overflow-in-upload-cgi-of-iptime-nas-1-5-04 · Note
• https://twitter.com/CVEnew/status/1950640972104417465 · Twitter Post