D-Link DI-7400G+V2.D1 up to 23.08.23D upnp_ctrl.asp remove_ext_proto/remove_ext_port buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.9$5k-$25k0.00

Summaryinfo

A vulnerability was found in D-Link DI-7003GV2.D1, DI-7100G+V2.D1, DI-7100GV2.D1, DI-7200G+V2.D1, DI-7200GV2.E1, DI-7300G+V2.D1 and DI-7400G+V2.D1 up to 23.08.23D and classified as critical. This impacts an unknown function of the file upnp_ctrl.asp. Executing a manipulation of the argument remove_ext_proto/remove_ext_port can lead to buffer overflow. This vulnerability appears as CVE-2023-45576. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in D-Link DI-7003GV2.D1, DI-7100G+V2.D1, DI-7100GV2.D1, DI-7200G+V2.D1, DI-7200GV2.E1, DI-7300G+V2.D1 and DI-7400G+V2.D1 up to 23.08.23D. This vulnerability affects an unknown code of the file upnp_ctrl.asp. The manipulation of the argument remove_ext_proto/remove_ext_port with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Buffer Overflow vulnerability in DI-7003GV2.D1 v.23.08.25D1 and before, DI-7100G+V2.D1 v.23.08.23D1 and before, DI-7100GV2.D1 v.23.08.23D1, DI-7200G+V2.D1 v.23.08.23D1 and before, DI-7200GV2.E1 v.23.08.23E1 and before, DI-7300G+V2.D1 v.23.08.23D1, and DI-7400G+V2.D1 v.23.08.23D1 and before allows a remote attacker to execute arbitrary code via the remove_ext_proto/remove_ext_port parameter of the upnp_ctrl.asp function.

The weakness was presented 10/16/2023. The advisory is available at github.com. This vulnerability was named CVE-2023-45576 since 10/09/2023. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 02/11/2026).

By approaching the search of inurl:upnp_ctrl.asp it is possible to find vulnerable targets with Google Hacking.

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-2023-49868). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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
Google Hack: 🔍

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

10/09/2023 🔍
10/16/2023 +7 days 🔍
10/16/2023 +0 days 🔍
02/11/2026 +849 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2023-45576 (🔍)
GCVE (CVE): GCVE-0-2023-45576
GCVE (VulDB): GCVE-100-242218
EUVD: 🔍

Entryinfo

Created: 10/16/2023 11:44
Updated: 02/11/2026 17:41
Changes: 10/16/2023 11:44 (39), 11/02/2023 18:03 (11), 02/11/2026 17:41 (32)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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