CVE-2021-31627

Buffer Overflow vulnerability in Tenda AC9 V1.0 through V15.03.05.19(6318), and AC9 V3.0 V15.03.06.42_multi, allows attackers to execute arbitrary code via the index parameter.

CVSS v3.1

8.8 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

5.8 MEDIUMAV:A/AC:L/Au:N/C:P/I:P/A:P

EPSS

1.14% chance of exploitation in the next 30 days, 64th percentile

Published

2021-10-29

Updated

2026-07-09

Proof-of-concept exploits (1)

• Lyc-heng/routers/blob/main/routers/stack3.md

References

• CVE Record
• NVD entry

Related

• CVE-2020-22079
• CVE-2020-26728
• CVE-2021-31624
• CVE-2021-42659
• CVE-2021-3163
• CVE-2021-31616