CVE-2023-35818 affects Espressif ESP32 3.0 (ESP32_rev300 ROM) devices, allowing an attacker to manipulate the CPU's program counter via an EMFI attack on ECO3. This bypasses Secure Boot and Flash Encryption, granting unauthorized access to the ROM download mode. With a CVSS score of 6.8 (Medium), the vulnerability has a physical attack vector (AV:P) and high impact on confidentiality, integrity, and availability (C:H/I:H/A:H), as it can lead to reading encrypted flash content or executing arbitrary code. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in the KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.0CPE matchmatch criteria | cpe:2.3:o:espressif:esp32-d0wd-v3_firmware:3.0:*:*:*:*:*:*:* | ||
3.1CPE matchmatch criteria | cpe:2.3:o:espressif:esp32-d0wd-v3_firmware:3.1:*:*:*:*:*:*:* | ||
3.0CPE matchmatch criteria | cpe:2.3:o:espressif:esp32-d0wdr2-v3_firmware:3.0:*:*:*:*:*:*:* | ||
3.1CPE matchmatch criteria | cpe:2.3:o:espressif:esp32-d0wdr2-v3_firmware:3.1:*:*:*:*:*:*:* | ||
3.0CPE matchmatch criteria | cpe:2.3:o:espressif:esp32-u4wdh_firmware:3.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.