What is CVE-2023-29693?

CVE-2023-29693 is a critical-severity vulnerability in H3c Gr-1200w, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-05-08.

How severe is CVE-2023-29693?

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

Buffer overflow in H3c Gr-1200w

CVE-2023-29693

H3C GR-1200W MiniGRW1A0V100R006 was discovered to contain a stack overflow via the function set_tftp_upgrad.

Vulnerability class: Buffer Overflow

Published 2023-05-08 · 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: 0.009 (59.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

H3c Gr-1200w
H3c Gr-1200w Firmware — versions minigrw1a0v100r006

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/Stevenbaga/fengsha/blob/main/H3C/GR-1200W/SetTftpUpgrad.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-29693?: CVE-2023-29693 is a critical-severity vulnerability in H3c Gr-1200w, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-05-08.
How severe is CVE-2023-29693?: Critical severity. CVSS v3 base score is 9.8 out of 10.