CVEs / CVE-2023-32153
CVE-2023-32153: D-Link DIR-2640 vulnerability
- medium 6.8 CVSS 3.0 (from the CNA)
- EPSS 26.8% chance of exploitation in the next 30 days, higher than 98% of CVEs (3 Nov 2026)
- Last changed at its sources
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Description
D-Link DIR-2640 EmailFrom Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-2640 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of the EmailFrom parameter provided to the HNAP1 endpoint. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-19550.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| D-Link DIR-2640 | 1.11B02 (non-US, CA version) | — |
| dlink dir-2640_firmware | up to and including 1.11b02 | — |
Exploitation
Not in the CISA Known Exploited Vulnerabilities catalog as of 3 Nov 2026.
Severity
| CVSS 3.0 | 6.8 mediumCVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-78 |
References
- CVE-2023-32153 on NVD
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10323 Product, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-545/ Third Party Advisory
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.