Netgear XR300 1.0.3.78 genie_ap_wifi_change.cgi wla_ssid/wlg_ssid buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$5k-$25k0.00

Summaryinfo

A vulnerability has been found in Netgear XR300 1.0.3.78 and classified as critical. Impacted is an unknown function of the file genie_ap_wifi_change.cgi. The manipulation of the argument wla_ssid/wlg_ssid leads to buffer overflow. This vulnerability is documented as CVE-2023-36499. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Netgear XR300 1.0.3.78 (Wireless LAN Software). This issue affects an unknown part of the file genie_ap_wifi_change.cgi. The manipulation of the argument wla_ssid/wlg_ssid with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Netgear XR300 v1.0.3.78 was discovered to contain multiple buffer overflows via the wla_ssid and wlg_ssid parameters at genie_ap_wifi_change.cgi.

The weakness was released 08/08/2023. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-36499 since 08/07/2023. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/14/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-40448). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/07/2023 🔍
08/08/2023 +1 days 🔍
08/08/2023 +0 days 🔍
01/14/2026 +889 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: github.com
Status: Not defined

CVE: CVE-2023-36499 (🔍)
GCVE (CVE): GCVE-0-2023-36499
GCVE (VulDB): GCVE-100-236351
EUVD: 🔍

Entryinfo

Created: 08/08/2023 08:12
Updated: 01/14/2026 00:30
Changes: 08/08/2023 08:12 (40), 08/30/2023 21:04 (11), 01/14/2026 00:30 (16)
Complete: 🔍
Cache ID: 216::103

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