← Back
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.

JSON object

Loading...

CVEs (4,417)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1H3c
1N12 Firmware
Jul 5, 2026
Jan 14, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
H3C N12 V100R005 contains a buffer overflow vulnerability due to the lack of length verification in the 2.4G wireless network processing function. Attackers who successfully exploit this vulnerability can cause the remot...Show more
H3C N12 V100R005 contains a buffer overflow vulnerability due to the lack of length verification in the 2.4G wireless network processing function. Attackers who successfully exploit this vulnerability can cause the remote target device to crash or execute arbitrary commands by sending a POST request to /bin/webs.Show less
1Wavlink
1Wl Wn533a8 Firmware
Jun 17, 2026
Jan 14, 2025
N/A· v4
7.2 HIGH· v3
N/A· v2
Multiple buffer overflow vulnerabilities exist in the qos.cgi qos_settings() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can m...Show more
Multiple buffer overflow vulnerabilities exist in the qos.cgi qos_settings() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.A buffer overflow vulnerability exists in the `sel_mode` POST parameter.Show less
1Wavlink
1Wl Wn533a8 Firmware
Jun 17, 2026
Jan 14, 2025
N/A· v4
7.2 HIGH· v3
N/A· v2
Multiple buffer overflow vulnerabilities exist in the qos.cgi qos_settings() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can m...Show more
Multiple buffer overflow vulnerabilities exist in the qos.cgi qos_settings() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.A buffer overflow vulnerability exists in the `qos_dat` POST parameter.Show less
1Wavlink
1Wl Wn533a8 Firmware
Jun 17, 2026
Jan 14, 2025
N/A· v4
7.2 HIGH· v3
N/A· v2
Multiple buffer overflow vulnerabilities exist in the qos.cgi qos_settings() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can m...Show more
Multiple buffer overflow vulnerabilities exist in the qos.cgi qos_settings() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.A buffer overflow vulnerability exists in the `qos_bandwidth` POST parameter.Show less
1Wavlink
1Wl Wn533a8 Firmware
Jun 17, 2026
Jan 14, 2025
N/A· v4
7.2 HIGH· v3
N/A· v2
A buffer overflow vulnerability exists in the adm.cgi set_sys_adm() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an au...Show more
A buffer overflow vulnerability exists in the adm.cgi set_sys_adm() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an authenticated HTTP request to trigger this vulnerability.Show less
1Wavlink
1Wl Wn533a8 Firmware
Jun 17, 2026
Jan 14, 2025
N/A· v4
7.2 HIGH· v3
N/A· v2
Multiple buffer overflow vulnerabilities exist in the internet.cgi set_qos() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can m...Show more
Multiple buffer overflow vulnerabilities exist in the internet.cgi set_qos() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.This vulnerability exists in the `en_enable` POST parameter.Show less
1Wavlink
1Wl Wn533a8 Firmware
Jun 17, 2026
Jan 14, 2025
N/A· v4
7.2 HIGH· v3
N/A· v2
Multiple buffer overflow vulnerabilities exist in the internet.cgi set_qos() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can m...Show more
Multiple buffer overflow vulnerabilities exist in the internet.cgi set_qos() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.This vulnerability exists in the `cli_mac` POST parameter.Show less
1Wavlink
1Wl Wn533a8 Firmware
Jun 17, 2026
Jan 14, 2025
N/A· v4
7.2 HIGH· v3
N/A· v2
Multiple buffer overflow vulnerabilities exist in the internet.cgi set_qos() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can m...Show more
Multiple buffer overflow vulnerabilities exist in the internet.cgi set_qos() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.This vulnerability exists in the `cli_name` POST parameter.Show less
1Wavlink
1Wl Wn533a8 Firmware
Jun 17, 2026
Jan 14, 2025
N/A· v4
7.2 HIGH· v3
N/A· v2
A buffer overflow vulnerability exists in the adm.cgi rep_as_router() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an...Show more
A buffer overflow vulnerability exists in the adm.cgi rep_as_router() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an authenticated HTTP request to trigger this vulnerability.Show less
1Wavlink
1Wl Wn533a8 Firmware
Jun 17, 2026
Jan 14, 2025
N/A· v4
7.2 HIGH· v3
N/A· v2
An arbitrary code execution vulnerability exists in the adm.cgi set_MeshAp() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make...Show more
An arbitrary code execution vulnerability exists in the adm.cgi set_MeshAp() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.Show less
1Wavlink
1Wl Wn533a8 Firmware
Jun 17, 2026
Jan 14, 2025
N/A· v4
7.2 HIGH· v3
N/A· v2
A buffer overflow vulnerability exists in the adm.cgi set_wzap() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an authe...Show more
A buffer overflow vulnerability exists in the adm.cgi set_wzap() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an authenticated HTTP request to trigger this vulnerability.Show less
1Wavlink
1Wl Wn533a8 Firmware
Jun 17, 2026
Jan 14, 2025
N/A· v4
7.2 HIGH· v3
N/A· v2
A buffer overflow vulnerability exists in the qos.cgi qos_sta_settings() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make...Show more
A buffer overflow vulnerability exists in the qos.cgi qos_sta_settings() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an authenticated HTTP request to trigger this vulnerability.Show less
1Wavlink
1Wl Wn533a8 Firmware
Jun 17, 2026
Jan 14, 2025
N/A· v4
7.2 HIGH· v3
N/A· v2
A buffer overflow vulnerability exists in the adm.cgi set_wzdgw4G() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an au...Show more
A buffer overflow vulnerability exists in the adm.cgi set_wzdgw4G() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an authenticated HTTP request to trigger this vulnerability.Show less
1Wavlink
1Wl Wn533a8 Firmware
Jun 17, 2026
Jan 14, 2025
N/A· v4
7.2 HIGH· v3
N/A· v2
A buffer overflow vulnerability exists in the internet.cgi set_add_routing() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can m...Show more
A buffer overflow vulnerability exists in the internet.cgi set_add_routing() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an authenticated HTTP request to trigger this vulnerability.Show less
1Wavlink
1Wl Wn533a8 Firmware
Jun 17, 2026
Jan 14, 2025
N/A· v4
7.2 HIGH· v3
N/A· v2
A buffer overflow vulnerability exists in the adm.cgi set_TR069() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an auth...Show more
A buffer overflow vulnerability exists in the adm.cgi set_TR069() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an authenticated HTTP request to trigger this vulnerability.Show less
1Wavlink
1Wl Wn533a8 Firmware
Jun 17, 2026
Jan 14, 2025
N/A· v4
7.2 HIGH· v3
N/A· v2
A buffer overflow vulnerability exists in the adm.cgi rep_as_bridge() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an...Show more
A buffer overflow vulnerability exists in the adm.cgi rep_as_bridge() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an authenticated HTTP request to trigger this vulnerability.Show less
1Wavlink
1Wl Wn533a8 Firmware
Jun 17, 2026
Jan 14, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
A buffer overflow vulnerability exists in the login.cgi Goto_chidx() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an u...Show more
A buffer overflow vulnerability exists in the login.cgi Goto_chidx() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.Show less
1Wavlink
1Wl Wn533a8 Firmware
Jun 17, 2026
Jan 14, 2025
N/A· v4
7.2 HIGH· v3
N/A· v2
A buffer overflow vulnerability exists in the usbip.cgi set_info() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an aut...Show more
A buffer overflow vulnerability exists in the usbip.cgi set_info() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an authenticated HTTP request to trigger this vulnerability.Show less
-
-
Jun 17, 2026
Jan 13, 2025
N/A· v4
4.3 MEDIUM· v3
N/A· v2
A malformed packet can cause a buffer overflow in the APS layer of the Ember ZNet stack and lead to an assert
1Tenda
1Ac9 Firmware
Jun 17, 2026
Jan 10, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Tenda ac9 v1.0 firmware v15.03.05.19 contains a stack overflow vulnerability in /goform/SetOnlineDevName, which may lead to remote arbitrary code execution.