The buffer overflow vulnerability in the library “libclinkc.so” of the web server “zhttpd” in Zyxel DX5401-B0 firmware…
Zyxel · DX5401-B0 firmware
A buffer overflow in the libclinkc.so library of the zhttpd web server in Zyxel DX5401-B0 firmware allows the flaw to be triggered through the device's web interface. A remote, unauthenticated attacker with network access can exploit it without user interaction or special configuration to execute some OS commands or cause a denial-of-service condition on the vulnerable device.
The buffer overflow vulnerability in the library “libclinkc.so” of the web server “zhttpd” in Zyxel DX5401-B0 firmware versions prior to V5.17(ABYO.1)C0 could allow a remote unauthenticated attacker to execute some OS commands or to cause denial-of-service (DoS) conditions on a vulnerable device.
- Exploited
- Yes, in VulnCheck KEV
- Reports
- 0
- Tactics
- 0/15
Exploitation timelineDated milestones for a CVE: when it was disclosed, when exploit code became public, when exploitation was confirmed, and when threat reports named it.
First seen exploited 18 months after disclosure. Public exploit code (Metasploit) was available 15 months before disclosure.
- Public exploit codeMetasploit15 mo before
- Disclosedday 0
- First seen exploitedVulnCheck KEV evidence+18 mo
MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. techniques
No techniques linkedNo ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.