What is CVE-2024-42978?

CVE-2024-42978 is a critical-severity vulnerability in Tenda Fh1206, classified under OS Command Injection. CVSS score: 9.8/10. Published 2024-08-15.

How severe is CVE-2024-42978?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2024-42978 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Tenda Fh1206

CVE-2024-42978

An issue in the handler function in /goform/telnet of Tenda FH1206 v02.03.01.35 allows attackers to execute arbitrary commands via a crafted HTTP request.

Vulnerability class: Command Injection (OS Command Injection)

Published 2024-08-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (67.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Tenda Fh1206
Tenda Fh1206 Firmware — versions v02.03.01.35

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

References

github.com/TTTJJJWWW/AHU-IoT-vulnerable/blob/main/Tenda/FH1206/telnet.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-42978?: CVE-2024-42978 is a critical-severity vulnerability in Tenda Fh1206, classified under OS Command Injection. CVSS score: 9.8/10. Published 2024-08-15.
How severe is CVE-2024-42978?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2024-42978 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.