TI-2021-13298 Aliases CVE-2021-34173 GHSA-wc92-3pj9-g4g4

An attacker can cause a Denial of Service and kernel panic in v4.2 and earlier versions…

LOW 36Published 2021-07-14 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

An attacker can cause a Denial of Service and kernel panic in v4.2 and earlier versions of Espressif esp32 via a malformed beacon csa frame. The device requires a reboot to recover.

Why it matters now

EPSS 0.01471 73rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:espressif:esp32_firmware::::::::	up to 4.2	Vulnerable	espressif
cpe:2.3:h:espressif:esp32:-:::::::*	not specified by NVD	Running on	espressif

cpe:2.3:o:espressif:esp32_firmware:*:*:*:*:*:*:*:* Versions up to 4.2 Vulnerable ·espressif
cpe:2.3:h:espressif:esp32:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·espressif

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-34173
2026-10-03 Alias added: GHSA-wc92-3pj9-g4g4

References

Exploit 1

https://github.com/E7mer/OWFuzz

Advisory 1

https://github.com/E7mer

TI-2025-20611 Espressif ESP32 chips allow 29 hidden HCI commands, such as 0xFC02 (Write memory). CVSS 3.1MEDIUM 6.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences