Critical severity · published May 1, 2025
CVE-2025-4148
Netgear EX6200 sub_503FC buffer overflow
9.8
CVSS
1.7%
EPSS
No
On KEV
Description
A vulnerability was found in Netgear EX6200 1.0.3.94 and classified as critical. Affected by this issue is the function sub_503FC. The manipulation of the argument host leads to buffer overflow. The attack may be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EX
EX6200 · Netgear
1.0.3.94 · source: vendor
EF
Ex6200 Firmware · Netgear
1.0.3.94 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-4148
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-4148
Exploit
https://github.com/jylsec/vuldb/blob/main/Netgear/netgear_ex6200/Buffer_overflow-sub_503FC-gui_region/README.md
Permissions Required
https://vuldb.com/?ctiid.306680
Third Party Advisory
https://vuldb.com/?id.306680
Third Party Advisory
https://vuldb.com/?submit.560802
Product
https://www.netgear.com/
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