CVE-2021-45997 — Out-of-bounds Write in G1 Firmware

CWE-787 — Out-of-bounds Write3 documents3 sources
Severity
7.5HIGHNVD
EPSS
0.3%
top 42.76%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tendacn G1 FirmwareTendacn G3 Firmware
Timeline
PublishedFeb 4
Latest updateFeb 9

Description

Tenda routers G1 and G3 v15.11.0.17(9502)_CN were discovered to contain a stack overflow in the function formSetPortMapping. This vulnerability allows attackers to cause a Denial of Service (DoS) via the portMappingServer, portMappingProtocol, portMappingWan, porMappingtInternal, and portMappingExternal parameters.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶NVDtendacn/g1_firmware15.11.0.17\(9502\)_cn
▶NVDtendacn/g3_firmware15.11.0.17\(9502\)_cn

🔴Vulnerability Details

2
GHSA
GHSA-j64h-5g9c-9ffq: Tenda routers G1 and G3 v15↗2022-02-09
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CVEList
CVE-2021-45997: Tenda routers G1 and G3 v15↗2022-02-04
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CVE-2021-45997 — Out-of-bounds Write in G1 Firmware | cvebase