CVE-2026-46532

Description

ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.2.6, 5.3.5, 5.4.4, 5.5.3, and 6.0, an out-of-bounds read exists in the BlueDroid AVRCP vendor-command parser (avrc_pars_vendor_cmd() in components/bt/host/bluedroid/stack/avrc/avrc_pars_tg.c). This issue has been patched in versions 5.2.7, 5.3.6, 5.4.5, 5.5.4, and 6.0.1.

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CVSS v3.1 Score

4.6

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L

EPSS — Exploit Prediction

0.0023

Probability of exploitation

0.13%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

Affected Products

Vendor	Product	Versions
espressif	esp-idf	All
espressif	esp-idf	All
espressif	esp-idf	All
espressif	esp-idf	All
espressif	esp-idf	All

References

Advisories & Patches

https://github.com/espressif/esp-idf/commit/56053c4d1f37955ccf296cf2f6dfd0f7ebd4fae6 https://github.com/espressif/esp-idf/commit/60f9362f83a05942069532f357c234cd5e5d4302 https://github.com/espressif/esp-idf/commit/7c004d3fe3022f5f0db98dd1b2d0648a3a9cfb3f https://github.com/espressif/esp-idf/commit/8746e5f7e762ead84d2902edec34d84cdd701b2b https://github.com/espressif/esp-idf/commit/b0959b5ab1dc60398a916c80f14b1816780c801e https://github.com/espressif/esp-idf/commit/c53d05ae526607ca5eae9ffedaf57775eec33a4f https://github.com/espressif/esp-idf/security/advisories/GHSA-3pp8-42fh-3j3c

Frequently Asked Questions

What is CVE-2026-46532? +

ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.2.6, 5.3.5, 5.4.4, 5.5.3, and 6.0, an out-of-bounds read exists in the BlueDroid AVRCP vendor-command parser (avrc_pars_vendor_cmd() in components/bt/host/bluedroid/stack/avrc/avrc_pars_tg.c). This issue has been patched in versions 5.2.7, 5.3.6, 5.4.5, 5.5.4, and 6.0.1. It has a CVSS v3.1 base score of 4.6 (MEDIUM).

How severe is CVE-2026-46532? +

CVE-2026-46532 has a CVSS v3.1 score of 4.6 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0023, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-46532? +

CVE-2026-46532 affects products from espressif, specifically: esp-idf. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-46532? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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