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CWE-120

4,417 CVEs • Abstraction: Base • Likelihood of Exploit: High

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

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CVEs (4,417)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
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Jul 24, 2026
Apr 28, 2026
7.3 HIGH· v4
7.2 HIGH· v3
8.3 HIGH· v2
A vulnerability was detected in Totolink N300RT 3.4.0-B20250430. The impacted element is the function is_cmd_string_valid of the file /boafrm/formWsc of the component libapmib.so. Performing a manipulation of the argumen...Show more
A vulnerability was detected in Totolink N300RT 3.4.0-B20250430. The impacted element is the function is_cmd_string_valid of the file /boafrm/formWsc of the component libapmib.so. Performing a manipulation of the argument localPin results in buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.Show less
1Tenda
1F456 Firmware
Jun 17, 2026
Apr 27, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability has been found in Tenda F456 1.0.0.5. This affects the function fromWrlclientSet of the file /goform/WrlclientSet of the component httpd. The manipulation leads to buffer overflow. Remote exploitation of...Show more
A vulnerability has been found in Tenda F456 1.0.0.5. This affects the function fromWrlclientSet of the file /goform/WrlclientSet of the component httpd. The manipulation leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.Show less
1Tenda
1F456 Firmware
Jun 17, 2026
Apr 27, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A flaw has been found in Tenda F456 1.0.0.5. The impacted element is the function fromNatlimitof of the file /goform/Natlimit of the component httpd. Executing a manipulation can lead to buffer overflow. The attack may b...Show more
A flaw has been found in Tenda F456 1.0.0.5. The impacted element is the function fromNatlimitof of the file /goform/Natlimit of the component httpd. Executing a manipulation can lead to buffer overflow. The attack may be launched remotely. The exploit has been published and may be used.Show less
1Tenda
1F456 Firmware
Jun 17, 2026
Apr 27, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was detected in Tenda F456 1.0.0.5. The affected element is the function formQuickIndex of the file /goform/QuickIndex of the component httpd. Performing a manipulation of the argument mit_linktype result...Show more
A vulnerability was detected in Tenda F456 1.0.0.5. The affected element is the function formQuickIndex of the file /goform/QuickIndex of the component httpd. Performing a manipulation of the argument mit_linktype results in buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.Show less
1Tenda
1F456 Firmware
Jun 17, 2026
Apr 27, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security vulnerability has been detected in Tenda F456 1.0.0.5. Impacted is the function fromDhcpListClient of the file /goform/DhcpListClient of the component httpd. Such manipulation of the argument page leads to buf...Show more
A security vulnerability has been detected in Tenda F456 1.0.0.5. Impacted is the function fromDhcpListClient of the file /goform/DhcpListClient of the component httpd. Such manipulation of the argument page leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.Show less
1Tenda
1F456 Firmware
Jun 17, 2026
Apr 27, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A weakness has been identified in Tenda F456 1.0.0.5. This issue affects the function fromwebExcptypemanFilter of the file /goform/webExcptypemanFilter of the component httpd. This manipulation of the argument page cause...Show more
A weakness has been identified in Tenda F456 1.0.0.5. This issue affects the function fromwebExcptypemanFilter of the file /goform/webExcptypemanFilter of the component httpd. This manipulation of the argument page causes buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.Show less
1Tenda
1F456 Firmware
Jun 17, 2026
Apr 27, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A flaw has been found in Tenda F456 1.0.0.5. Affected by this vulnerability is the function formWrlExtraSet of the file /goform/WrlExtraSet of the component httpd. Executing a manipulation of the argument Go can lead to...Show more
A flaw has been found in Tenda F456 1.0.0.5. Affected by this vulnerability is the function formWrlExtraSet of the file /goform/WrlExtraSet of the component httpd. Executing a manipulation of the argument Go can lead to buffer overflow. The attack can be executed remotely. The exploit has been published and may be used.Show less
1Tenda
1F456 Firmware
Jun 17, 2026
Apr 27, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was detected in Tenda F456 1.0.0.5. Affected is the function fromGstDhcpSetSer of the file /goform/GstDhcpSetSer of the component httpd. Performing a manipulation of the argument dips results in buffer ov...Show more
A vulnerability was detected in Tenda F456 1.0.0.5. Affected is the function fromGstDhcpSetSer of the file /goform/GstDhcpSetSer of the component httpd. Performing a manipulation of the argument dips results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used.Show less
1Tenda
1F456 Firmware
Jun 17, 2026
Apr 27, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security vulnerability has been detected in Tenda F456 1.0.0.5. This impacts the function fromPPTPUserSetting of the file /goform/PPTPUserSetting of the component httpd. Such manipulation of the argument delno leads to...Show more
A security vulnerability has been detected in Tenda F456 1.0.0.5. This impacts the function fromPPTPUserSetting of the file /goform/PPTPUserSetting of the component httpd. Such manipulation of the argument delno leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.Show less
1Tenda
1F456 Firmware
Jun 17, 2026
Apr 27, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A weakness has been identified in Tenda F456 1.0.0.5. This affects the function fromAdvSetWan of the file /goform/AdvSetWan of the component httpd. This manipulation of the argument wanmode causes buffer overflow. The at...Show more
A weakness has been identified in Tenda F456 1.0.0.5. This affects the function fromAdvSetWan of the file /goform/AdvSetWan of the component httpd. This manipulation of the argument wanmode causes buffer overflow. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks.Show less
1Tenda
1F456 Firmware
Jun 17, 2026
Apr 27, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security flaw has been discovered in Tenda F456 1.0.0.5. The impacted element is the function fromSetIpBind of the file /goform/SetIpBind of the component httpd. The manipulation of the argument page results in buffer...Show more
A security flaw has been discovered in Tenda F456 1.0.0.5. The impacted element is the function fromSetIpBind of the file /goform/SetIpBind of the component httpd. The manipulation of the argument page results in buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.Show less
1Dlink
1Dir 825 Firmware
Jun 17, 2026
Apr 27, 2026
7.3 HIGH· v4
8.0 HIGH· v3
7.7 HIGH· v2
A security flaw has been discovered in D-Link DIR-825 up to 3.00b32. This impacts the function AddPortMapping of the file upnpsoap.c of the component miniupnpd. Performing a manipulation of the argument NewPortMappingDes...Show more
A security flaw has been discovered in D-Link DIR-825 up to 3.00b32. This impacts the function AddPortMapping of the file upnpsoap.c of the component miniupnpd. Performing a manipulation of the argument NewPortMappingDescription results in buffer overflow. The attack needs to be approached within the local network. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.Show less
1Dlink
1Dir 825 Firmware
Jun 17, 2026
Apr 27, 2026
7.4 HIGH· v4
8.8 HIGH· v3
8.3 HIGH· v2
A vulnerability was identified in D-Link DIR-825 3.00b32. This affects the function NMBD_process of the file sserver.c of the component nmbd. Such manipulation leads to buffer overflow. The attack can only be initiated w...Show more
A vulnerability was identified in D-Link DIR-825 3.00b32. This affects the function NMBD_process of the file sserver.c of the component nmbd. Such manipulation leads to buffer overflow. The attack can only be initiated within the local network. The exploit is publicly available and might be used. This vulnerability only affects products that are no longer supported by the maintainer.Show less
1Tenda
1F456 Firmware
Jun 17, 2026
Apr 26, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A flaw has been found in Tenda F456 1.0.0.5. The affected element is an unknown function of the file /goform/setcfm of the component httpd. This manipulation of the argument funcname/funcpara1 causes buffer overflow. It...Show more
A flaw has been found in Tenda F456 1.0.0.5. The affected element is an unknown function of the file /goform/setcfm of the component httpd. This manipulation of the argument funcname/funcpara1 causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used.Show less
1Tenda
1F456 Firmware
Jun 17, 2026
Apr 26, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was detected in Tenda F456 1.0.0.5. Impacted is the function fromSafeUrlFilter of the file /goform/SafeUrlFilter of the component httpd. The manipulation of the argument page results in buffer overflow. T...Show more
A vulnerability was detected in Tenda F456 1.0.0.5. Impacted is the function fromSafeUrlFilter of the file /goform/SafeUrlFilter of the component httpd. The manipulation of the argument page results in buffer overflow. The attack may be performed from remote. The exploit is now public and may be used.Show less
1Tenda
1F456 Firmware
Jun 17, 2026
Apr 26, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security vulnerability has been detected in Tenda F456 1.0.0.5. This issue affects the function fromVirtualSer of the file /goform/VirtualSer of the component httpd. The manipulation of the argument menufacturer/Go lea...Show more
A security vulnerability has been detected in Tenda F456 1.0.0.5. This issue affects the function fromVirtualSer of the file /goform/VirtualSer of the component httpd. The manipulation of the argument menufacturer/Go leads to buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.Show less
1Tenda
1F456 Firmware
Jun 17, 2026
Apr 26, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A weakness has been identified in Tenda F456 1.0.0.5. This vulnerability affects the function fromPptpUserAdd of the file /goform/PPTPDClient of the component httpd. Executing a manipulation of the argument opttype/usern...Show more
A weakness has been identified in Tenda F456 1.0.0.5. This vulnerability affects the function fromPptpUserAdd of the file /goform/PPTPDClient of the component httpd. Executing a manipulation of the argument opttype/usernamewith can lead to buffer overflow. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.Show less
1Tenda
1F456 Firmware
Jun 17, 2026
Apr 26, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security flaw has been discovered in Tenda F456 1.0.0.5. This affects the function frmL7ProtForm of the file /goform/L7Prot of the component httpd. Performing a manipulation of the argument page results in buffer overf...Show more
A security flaw has been discovered in Tenda F456 1.0.0.5. This affects the function frmL7ProtForm of the file /goform/L7Prot of the component httpd. Performing a manipulation of the argument page results in buffer overflow. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.Show less
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Apr 27, 2026
Apr 26, 2026
6.9 MEDIUM· v4
6.2 MEDIUM· v3
N/A· v2
Wansview 1.0.2 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying oversized input strings. Attackers can inject 2000-byte payloads into the Camera name and DID numb...Show more
Wansview 1.0.2 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying oversized input strings. Attackers can inject 2000-byte payloads into the Camera name and DID number fields during camera addition to trigger application crashes.Show less
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Apr 27, 2026
Apr 26, 2026
6.8 MEDIUM· v4
5.5 MEDIUM· v3
N/A· v2
P10 Central Management Software 1.4.13 contains a buffer overflow vulnerability in the login password field that allows local attackers to crash the application by submitting an oversized input string. Attackers can past...Show more
P10 Central Management Software 1.4.13 contains a buffer overflow vulnerability in the login password field that allows local attackers to crash the application by submitting an oversized input string. Attackers can paste a 2000-byte payload into the password field and click login to trigger an application crash and denial of service.Show less