How severe is CVE-2024-12987?

CVE-2024-12987 has a CVSS 2.0 base score of 7.5 (HIGH). EPSS estimates a 98.2% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2024-12987: DrayTek Vigor2960/Vigor300B Web Management Interface

CISA Known Exploited Vulnerabilities

DrayTek Vigor Routers OS Command Injection Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2025-05-15

Remediation due

2025-06-05

Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA notes
https://fw.draytek.com.tw/Vigor2960/Firmware/v1.5.1.5/DrayTek_Vigor2960_V1.5.1.5_01release-note.pdf ; https://fw.draytek.com.tw/Vigor300B/Firmware/v1.5.1.5/DrayTek_Vigor300B_V1.5.1.5_01release-note.pdf ; https://fw.draytek.com.tw/Vigor3900/Firmware/v1.5.1.5/DrayTek_Vigor3900_V1.5.1.5_01release-note.pdf ; https://nvd.nist.gov/vuln/detail/CVE-2024-12987

Description

A vulnerability, which was classified as critical, was found in DrayTek Vigor2960 and Vigor300B 1.5.1.4. Affected is an unknown function of the file /cgi-bin/mainfunction.cgi/apmcfgupload of the component Web Management Interface. The manipulation of the argument session leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.5.1.5 is able to address this issue. It is recommended to upgrade the affected component.

Severity

CVSS 4.0 · CNA6.9 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

CVSS 3.1 · CNA7.3 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS 3.0 · CNA7.3 HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS 2.0 · CNA7.5 HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impacttotal

Exploitation Context

as of October 17, 2026

All KEV statistics→

CISA added CVE-2024-12987 to the KEV catalog 139 days after its CVE record was published. The median for entries added in 2025 is 26 days.
It is one of 5 DrayTek entries in the CISA KEV catalog, and the only one added in 2025.
Its current EPSS score (98.2%) is higher than that of 84% of CISA KEV entries.

Affected Products

Vendor	Product	Affected versions
DrayTek	DrayTek Vigor2960	1.5.1.4
DrayTek	DrayTek Vigor300B	1.5.1.4

References

7 Links

Exploits & PoCs

https://netsecfish.notion.site/Command-Injection-in-apmcfgupload-endpoint-for-DrayTek-Gateway-Devices-1676b683e67c8040b7f1f0ffe29ce18f?pvs=4

Third-party advisories

Submit #468795 | DrayTek Vigor2960, Vigor300B 1.5.1.4 Command Injection

Technical writeups

VDB-289380 | DrayTek Vigor2960/Vigor300B Web Management Interface apmcfgupload os command injection

Detection signatures

VDB-289380 | CTI Indicators (IOB, IOC, TTP, IOA)

Other references

Record Details

Published

2024-12-27

Last updated

2025-10-21

Assigner (CNA)

VulDB

Credited to

netsecfish (VulDB User)

More from DrayTek

CVE-2026-30405.8 MEDIUM

DrayTek Vigor 300B Web Management uploadlangs cgiGetFile os command injection

DrayTekEPSS 7.3%2026-02-23

Tool categories

Application Security Tools Penetration Testing Tools

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.

CVE-2024-12987