CVE-2021-34947

CWE-787 — Out-of-bounds Write3 documents3 sources
Severity
8.8HIGH
EPSS
0.4%
top 40.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
42
Netgear D7800 FirmwareNetgear Ex2700 FirmwareNetgear Ex6100 Firmware+39 more
Timeline
PublishedMay 7
Latest updateMay 8

Description

NETGEAR R7800 net-cgi Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R7800 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parsing of the soap_block_table file. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An a…

CVSS vector

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages42 packages

▶NVDnetgear/r7800_firmware< 1.0.2.84
▶CVEListV5netgear/r78001.0.2.82
▶NVDnetgear/d7800_firmware< 1.0.1.64
▶NVDnetgear/lbr20_firmware< 2.6.5.32
▶NVDnetgear/r8900_firmware< 1.0.5.36

🔴Vulnerability Details

2
GHSA
GHSA-jj28-565j-58r3: NETGEAR R7800 net-cgi Out-Of-Bounds Write Remote Code Execution Vulnerability↗2024-05-08
▶
CVEList
NETGEAR R7800 net-cgi Out-Of-Bounds Write Remote Code Execution Vulnerability↗2024-05-07
▶
CVE-2021-34947 (HIGH CVSS 8.8) | NETGEAR R7800 net-cgi Out-Of-Bounds | cvebase.io