ID
VAR-202309-0335
CVE
CVE-2023-41221
TITLE
D-Link Systems, Inc. of DIR-3040 Out-of-bounds write vulnerability in firmware
Trust: 0.8
DESCRIPTION
D-Link DIR-3040 prog.cgi SetWLanRadioSecurity Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-3040 routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the prog.cgi binary, which handles HNAP requests made to the lighttpd webserver listening on TCP ports 80 and 443. The issue results from the lack of proper validation of a user-supplied string before copying it to a fixed-size stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21621. D-Link Systems, Inc. of DIR-3040 An out-of-bounds write vulnerability exists in firmware.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state
Trust: 2.25
AFFECTED PRODUCTS
| vendor: | d link | model: | dir-3040 | scope: | - | version: | - | Trust: 1.5 |
| vendor: | dlink | model: | dir-3040 | scope: | lte | version: | 1.20b03 | Trust: 1.0 |
| vendor: | d link | model: | dir-3040 | scope: | lte | version: | dir-3040 firmware 1.20b03 and earlier | Trust: 0.8 |
| vendor: | d link | model: | dir-3040 | scope: | eq | version: | - | Trust: 0.8 |
CVSS
SEVERITY | CVSSV2 | CVSSV3 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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PROBLEMTYPE DATA
| problemtype: | CWE-121 | Trust: 1.0 |
| problemtype: | CWE-787 | Trust: 1.0 |
| problemtype: | Stack-based buffer overflow (CWE-121) [ others ] | Trust: 0.8 |
| problemtype: | Out-of-bounds writing (CWE-787) [NVD evaluation ] | Trust: 0.8 |
PATCH
| title: | D-Link has issued an update to correct this vulnerability. | url: | https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10350 | Trust: 0.7 |
EXTERNAL IDS
| db: | NVD | id: | CVE-2023-41221 | Trust: 3.3 |
| db: | ZDI | id: | ZDI-23-1329 | Trust: 2.5 |
| db: | DLINK | id: | SAP10350 | Trust: 1.8 |
| db: | JVNDB | id: | JVNDB-2023-028945 | Trust: 0.8 |
| db: | ZDI_CAN | id: | ZDI-CAN-21621 | Trust: 0.7 |
REFERENCES
| url: | https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=sap10350 | Trust: 2.5 |
| url: | https://www.zerodayinitiative.com/advisories/zdi-23-1329/ | Trust: 1.8 |
| url: | https://nvd.nist.gov/vuln/detail/cve-2023-41221 | Trust: 0.8 |
CREDITS
Peter Girnus, Nicholas Zubrisky
Trust: 0.7
SOURCES
| db: | ZDI | id: | ZDI-23-1329 |
| db: | JVNDB | id: | JVNDB-2023-028945 |
| db: | NVD | id: | CVE-2023-41221 |
LAST UPDATE DATE
2025-05-18T23:08:17.053000+00:00
SOURCES UPDATE DATE
| db: | ZDI | id: | ZDI-23-1329 | date: | 2023-09-07T00:00:00 |
| db: | JVNDB | id: | JVNDB-2023-028945 | date: | 2025-05-16T08:24:00 |
| db: | NVD | id: | CVE-2023-41221 | date: | 2025-05-15T12:43:57.300 |
SOURCES RELEASE DATE
| db: | ZDI | id: | ZDI-23-1329 | date: | 2023-09-07T00:00:00 |
| db: | JVNDB | id: | JVNDB-2023-028945 | date: | 2025-05-16T00:00:00 |
| db: | NVD | id: | CVE-2023-41221 | date: | 2024-05-03T03:15:34.343 |