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VulnerabilityPublished

CVE-2024-42983: Tenda FH1206 · Stack-based Buffer Overflow

Source CVE Database V5

0

Not known to be exploited · CVSS 6.5 Medium.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 45% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Aug 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

To mitigate CVE-2024-42983, affected users should first verify if their Tenda FH1206 router is running firmware version v02.03.01.35 or similar vulnerable versions. Since no official patches are currently available, users should consider the following specific actions: 1) Restrict remote management access to the router, especially blocking WAN-side access to the web interface or configuration endpoints to prevent external exploitation. 2) Implement network-level protections such as firewall rules or intrusion prevention systems (IPS) to detect and block suspicious POST requests targeting the pptpPPW parameter or unusual WAN configuration attempts. 3) Monitor router logs and network traffic for signs of repeated crashes or malformed POST requests indicative of exploitation attempts. 4) If feasible, replace the vulnerable router with a model from a vendor with timely security updates or downgrade to a previous firmware version known to be unaffected. 5) Stay informed by regularly checking Tenda’s official channels for firmware updates or security advisories addressing this vulnerability. 6) Employ network segmentation to isolate critical systems from the affected router to minimize impact if a DoS occurs.

Description

Tenda FH1206 v02.03.01.35 was discovered to contain a stack overflow via the pptpPPW parameter in the fromAdvSetWan function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.

References

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