CVE-2025-66409 is a critical out-of-bounds read vulnerability affecting Espressif ESP-IDF versions 5.5.1, 5.4.3, 5.3.4, 5.2.6, 5.1.6, and earlier, specifically when the AVRCP component is enabled on ESP32 devices. An unauthenticated attacker can trigger this by sending a malformed VENDOR DEPENDENT command, leading to potential exposure of sensitive memory content or denial of service. With a CVSS score of 9.1 (CRITICAL), this vulnerability is remotely exploitable with low attack complexity and no user interaction required. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.1.6CPE matchmatch criteria | cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:* | ||
>= 5.2, <= 5.2.6CPE matchmatch criteria | cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:* | ||
>= 5.3, <= 5.3.4CPE matchmatch criteria | cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:* | ||
>= 5.4, <= 5.4.3CPE matchmatch criteria | cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:* | ||
>= 5.5, <= 5.5.1CPE matchmatch criteria | cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/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, 0.1 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.