What is CVE-2024-30638?

CVE-2024-30638 is a medium-severity vulnerability in Tenda F1202, classified under Stack-based Buffer Overflow. CVSS score: 4.3/10. Published 2024-03-29.

How severe is CVE-2024-30638?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2024-30638 known to be exploited?

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

Buffer overflow in Tenda F1202

CVE-2024-30638

Tenda F1202 v1.2.0.20(408) has a stack overflow vulnerability via the entrys parameter in the fromAddressNat function.

Vulnerability class: Buffer Overflow

Published 2024-03-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (36.4th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Tenda F1202
Tenda F1202 Firmware — versions 1.2.0.20\(408\), 1.2.0.20(408)

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

Public proof-of-concept exploits

References

github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/F/F1202/fromAddressNat_en… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-30638?: CVE-2024-30638 is a medium-severity vulnerability in Tenda F1202, classified under Stack-based Buffer Overflow. CVSS score: 4.3/10. Published 2024-03-29.
How severe is CVE-2024-30638?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2024-30638 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.