What is CVE-2024-46419?

CVE-2024-46419 is a critical-severity vulnerability in Totolink T8, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2024-09-16.

How severe is CVE-2024-46419?

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

Is CVE-2024-46419 known to be exploited?

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

Buffer overflow in Totolink T8

CVE-2024-46419

TOTOLINK AC1200 T8 v4.1.5cu.861_B20230220 has a buffer overflow vulnerability in the setWizardCfg function via the ssid5g parameter.

Vulnerability class: Buffer Overflow

Published 2024-09-16 · 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: 0.007 (52.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Totolink T8
Totolink T8 Firmware — versions 4.1.5cu.861_b20230220

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

github.com/TTTJJJWWW/AHU-IoT-vulnerable/blob/main/TOTOLINK/AC1200T8/setWizardCf… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-46419?: CVE-2024-46419 is a critical-severity vulnerability in Totolink T8, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2024-09-16.
How severe is CVE-2024-46419?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2024-46419 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.