Medium severity · published Aug 5, 2025
CVE-2025-45512
A lack of signature verification in the bootloader of DENX Software Engineering Das U-Boot (U-Boot) v1.1.3 allows attackers to install crafted firmware files, leading to arbitrary…
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
A lack of signature verification in the bootloader of DENX Software Engineering Das U-Boot (U-Boot) v1.1.3 allows attackers to install crafted firmware files, leading to arbitrary code execution.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UB
U-boot · Denx
1.1.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-45512
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-45512
Exploit
https://gist.github.com/AzhariRamadhan/a5c9644861f46b1eadb1f2a15c7950fe
Exploit
https://github.com/AzhariRamadhan/uboot-cve
More from U-boot
9.8
CVE-2026-29009
U-Boot < 2026.07-rc2 Buffer Overflow in nfs_readlink_reply() via NFS READLINK
9.8
CVE-2022-34835
In Das U-Boot through 2022.07-rc5, an integer signedness error and resultant stack-based buffer overflow in the "i2c md" command enables the corruption of the return address…
9.8
CVE-2022-30767
nfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has an unbounded memcpy with a failed length check, leading to a buffer overflow
9.8
CVE-2020-8432
In Das U-Boot through 2020.01, a double free has been found in the cmd/gpt.c do_rename_gpt_parts() function
9.8
CVE-2019-14204
An issue was discovered in Das U-Boot through 2019.07