What is CVE-2023-29917?

CVE-2023-29917 is a medium-severity vulnerability in H3c Magic R200 Firmware, classified under Out-of-bounds Write. CVSS score: 4.9/10. Published 2023-04-21.

How severe is CVE-2023-29917?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Buffer overflow in H3c Magic R200 Firmware

CVE-2023-29917

H3C Magic R200 version R200V100R004 was discovered to contain a stack overflow via go parameter at /goform/aspForm.

Vulnerability class: Buffer Overflow

Published 2023-04-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.008 (54.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

H3c Magic R200 Firmware — versions r200v100r004

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

hackmd.io/@0dayResearch/rJJzEg1e3

Frequently asked questions

What is CVE-2023-29917?: CVE-2023-29917 is a medium-severity vulnerability in H3c Magic R200 Firmware, classified under Out-of-bounds Write. CVSS score: 4.9/10. Published 2023-04-21.
How severe is CVE-2023-29917?: Medium severity. CVSS v3 base score is 4.9 out of 10.