CVE-2024-25076: Classic Buffer Overflow
Source CVE Database V5
Not known to be exploited · CVSS 6.8 Medium.
Data as of 26 Oct 2026, 11:42 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 33% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 10 Jul 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
- Monitor Renesas official channels for firmware updates or patches addressing CVE-2024-25076 and apply them promptly once available.
- Implement strict input validation and bounds checking on any user-controllable parameters related to flash configuration during device provisioning or firmware updates.
- Employ secure boot mechanisms that verify firmware integrity before execution to prevent unauthorized code execution even if the bootrom is compromised.
- Restrict network access to device management interfaces to trusted sources only, reducing the attack surface.
- Conduct regular security audits and penetration testing focused on embedded device boot processes and firmware validation.
- For critical deployments, consider hardware-based security modules or trusted execution environments to isolate boot operations.
- Maintain an inventory of devices using affected Renesas chips to prioritize remediation efforts.
- Educate development and operations teams about the risks of buffer overflows in embedded systems and promote secure coding practices.
Description
An issue was discovered on Renesas SmartBond DA14691, DA14695, DA14697, and DA14699 devices. The bootrom function responsible for validating the Flash Product Header directly uses a user-controllable size value (Length of Flash Config Section) to control a read from the QSPI device into a fixed sized buffer, resulting in a buffer overflow and execution of arbitrary code.