CVE-2026-19508
Heap-based buffer overflow in the multipart form-data parser in `jst_post.c` in RDK-B WebUI `rdkb-2025q4-kirkstone.04.10.26` allows a remote unauthenticated attacker to cause memory corruption and denial of service, and potentially execute arbitrary code, via a crafted multipart/form-data request.
Published:Aug 19, 2026
Last Modified:Aug 27, 2026
EPS:Aug 19, 2026
EPSS Score:0.00309
CVSS Score:9.8
Affected Products
Vendor
Product
Action
Vendor
Rdk
Product
Rdk-b Webui
Rdk
Rdk-b Webui
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
