Vulnerability · CVE-2025-55297
ESF-IDF is the Espressif Internet of Things (IOT) Development Framework.
Published Aug 21, 2025 · catalog updated Aug 22, 2025 · ESF-IDF is the Espressif
Last checked Oct 26, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-55297. EPSS is 0.36%. Act only if a listed version of ESF-IDF is the Espressif is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (ESF-IDF is the Espressif).
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2025-66409 · Low
- CVE-2025-65092 · Medium
- CVE-2025-64342 · Medium
- Severity
- Medium5.2
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.36%
- Remediation
- Version ranges on file
- Affected products
- vendor espressif esp-idf 5.4-beta1, < 5.4.1
ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. The BluFi example bundled in ESP-IDF was vulnerable to memory overflows in two areas: Wi-Fi credential handling and Diffie–Hellman key exchange. This vulnerability is fixed in 5.4.1, 5.3.3, 5.1.6, and 5.0.9.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor espressif esp-idf 5.4-beta1, < 5.4.15.4-beta1, < 5.4.1
How to fix CVE-2025-55297
Upgrade
CVE-2025-55297 lists a fix boundary at 5.4.1. Compare the installed build with that boundary before you change production.
Version check
Affected < 5.4.1
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-55297. EPSS is 0.36%. Act only if a listed version of ESF-IDF is the Espressif is installed.
Which versions are affected?
Compare what you have installed with espressif esp-idf 5.4-beta1, < 5.4.1 5.4-beta1, < 5.4.1. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.36%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Aug 21, 2025 · EUVD
Detected
ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. The BluFi example bundled in ESP-IDF was vulnerable to memory overflows in two areas: Wi-Fi credential handling and Diffie–Hellman key exchange. This vulnerability is fixed in 5.4.1, 5.3.3, 5.1.6, and 5.0.9.
Aug 22, 2025 · EUVD
Updated
ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. The BluFi example bundled in ESP-IDF was vulnerable to memory overflows in two areas: Wi-Fi credential handling and Diffie–Hellman key exchange. This vulnerability is fixed in 5.4.1, 5.3.3, 5.1.6, and 5.0.9.
Sources
- CVE.orgVulnerability recordCVE-2025-55297
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-55297
30-day exploitation probability 0.36%
first.org - EUVDVulnerability recordEUVD-2025-25514
ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. The BluFi example bundled in ESP-IDF was vulnerable to memory overflows in two areas: Wi-Fi credential handling and Diffie–Hellman key exchange. This vulnerability is fixed in 5.4.1, 5.3.3, 5.1.6, and 5.0.9.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 23, 2026
- CVE.orgOct 22, 2026
- EUVDOct 22, 2026