Tenda G3 vulnerabilities

25 vulnerabilities

Known vulnerabilities in Tenda G3, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

9.8CVE-2021-27707tendag1_firmware+1
EPSS score
2.83%
Buffer Overflow in Tenda G1 and G3 routers with firmware v15.11.0.17(9502)_CN allows remote attackers to execute arbitrary code via a crafted action/"portMappingIndex "request. This occurs because the "formDelPortMapping" function directly passes the parameter "portMappingIndex" to strcpy without limit.
9.8CVE-2021-27706tendag1_firmware+1
EPSS score
2.83%
Buffer Overflow in Tenda G1 and G3 routers with firmware version V15.11.0.17(9502)_CN allows remote attackers to execute arbitrary code via a crafted action/"IPMacBindIndex "request. This occurs because the "formIPMacBindDel" function directly passes the parameter "IPMacBindIndex" to strcpy without limit.
9.8CVE-2021-27705tendag1_firmware+1
EPSS score
2.94%
Buffer Overflow in Tenda G1 and G3 routers with firmware v15.11.0.17(9502)_CN allows remote attackers to execute arbitrary code via a crafted action/"qosIndex "request. This occurs because the "formQOSRuleDel" function directly passes the parameter "qosIndex" to strcpy without limit.
7.5CVE-2025-57059tendag3_firmware
EPSS score
0.49%
Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the dhcpIndex parameter in the addDhcpRule function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
7.5CVE-2025-57061tendag3_firmware
EPSS score
0.49%
Tenda G3 v3.0br_V15.11.0.17 was discovered to contain multiple stack overflows in the formIPMacBindModify function via the ruleId, ip, mac, v6 and remark parameters. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
7.5CVE-2025-57063tendag3_firmware
EPSS score
0.49%
Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the portMappingIndex parameter in the formDelPortMapping function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
7.5CVE-2025-57060tendag3_firmware
EPSS score
0.49%
Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the rules parameter in the dns_forward_rule_store function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
7.5CVE-2025-57064tendag3_firmware
EPSS score
0.49%
Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the bindDhcpIndex parameter in the modifyDhcpRule function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
7.5CVE-2025-57072tendag3_firmware
EPSS score
0.49%
Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the staticRouteGateway parameter in the formSetStaticRoute function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
7.5CVE-2025-57071tendag3_firmware
EPSS score
0.49%
Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the vpnUsers parameter in the formAddVpnUsers function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
7.5CVE-2025-57062tendag3_firmware
EPSS score
0.49%
Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the delDhcpIndex parameter in the formDelDhcpRule function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
7.5CVE-2025-57069tendag3_firmware
EPSS score
0.49%
Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the pPppUser parameter in the getsinglepppuser function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
7.5CVE-2025-57078tendag3_firmware
EPSS score
0.40%
Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the pppoeServerWhiteMacIndex parameter in the formModifyPppAuthWhiteMac function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
7.5CVE-2025-57057tendag3_firmware
EPSS score
0.49%
Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the listStr parameter in the ipMacBindListStore function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
7.5CVE-2025-57058tendag3_firmware
EPSS score
0.49%
Tenda G3 v3.0br_V15.11.0.17 was discovered to contain multiple stack overflows in the formSetDebugCfg function via the pEnable, pLevel, and pModule parameters. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
7.5CVE-2025-57070tendag3_firmware
EPSS score
0.49%
Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the gstUp parameter in the guestWifiRuleRefresh function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
9.8CVE-2022-36586tendag3_firmware
EPSS score
0.94%
In Tenda G3 US_G3V3.0br_V15.11.0.6(7663)_EN_TDE, there is a buffer overflow vulnerability caused by strcpy in function 0x869f4 in the httpd binary.
9.8CVE-2022-36587tendag3_firmware
EPSS score
0.94%
In Tenda G3 US_G3V3.0br_V15.11.0.6(7663)_EN_TDE, there is a buffer overflow vulnerability caused by sprintf in function in the httpd binary.
9.8CVE-2022-36585tendag3_firmware
EPSS score
0.94%
In Tenda G3 US_G3V3.0br_V15.11.0.6(7663)_EN_TDE, in httpd binary, the addDhcpRule function has a buffer overflow caused by sscanf.
9.8CVE-2022-36584tendag3_firmware
EPSS score
0.94%
In Tenda G3 US_G3V3.0br_V15.11.0.6(7663)_EN_TDE, the getsinglepppuser function has a buffer overflow caused by sscanf.