ZdiVULNRICHMENT:CVE-2021-34947CVE-2021-34947 NETGEAR R7800 net-cgi Out-Of-Bounds Write Remote Code Execution Vulnerability
8.8 High
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.7 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
21.4%
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 attacker can leverage this vulnerability to execute code in the context of root.
. Was ZDI-CAN-13055.
CNA Affected
[
{
"vendor": "NETGEAR",
"product": "R7800",
"versions": [
{
"version": "1.0.2.82",
"status": "affected"
}
],
"defaultStatus": "unknown"
}
]Related
8.8 High
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.7 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
21.4%