← 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
1Totolink
1T8 Firmware
Jun 17, 2026
Sep 8, 2024
8.7 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A vulnerability classified as critical has been found in TOTOLINK AC1200 T8 4.1.5cu.861_B20230220. This affects the function setWiFiRepeaterCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password...Show more
A vulnerability classified as critical has been found in TOTOLINK AC1200 T8 4.1.5cu.861_B20230220. This affects the function setWiFiRepeaterCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Totolink
1T8 Firmware
Jun 17, 2026
Sep 8, 2024
8.7 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was found in TOTOLINK AC1200 T8 4.1.5cu.861_B20230220. It has been rated as critical. Affected by this issue is the function setWiFiMeshName of the file /cgi-bin/cstecgi.cgi. The manipulation of the argum...Show more
A vulnerability was found in TOTOLINK AC1200 T8 4.1.5cu.861_B20230220. It has been rated as critical. Affected by this issue is the function setWiFiMeshName of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument device_name leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Totolink
2T10 Firmware
T8 Firmware
Jun 17, 2026
Sep 8, 2024
8.7 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was found in TOTOLINK AC1200 T8 and AC1200 T10 4.1.5cu.861_B20230220/4.1.8cu.5207. It has been declared as critical. Affected by this vulnerability is the function setStaticDhcpRules of the file /cgi-bin/...Show more
A vulnerability was found in TOTOLINK AC1200 T8 and AC1200 T10 4.1.5cu.861_B20230220/4.1.8cu.5207. It has been declared as critical. Affected by this vulnerability is the function setStaticDhcpRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument desc leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Totolink
2T10 Firmware
T8 Firmware
Jun 17, 2026
Sep 8, 2024
8.7 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was found in TOTOLINK AC1200 T8 and AC1200 T10 4.1.5cu.861_B20230220/4.1.8cu.5207. It has been classified as critical. Affected is the function setIpPortFilterRules of the file /cgi-bin/cstecgi.cgi. The m...Show more
A vulnerability was found in TOTOLINK AC1200 T8 and AC1200 T10 4.1.5cu.861_B20230220/4.1.8cu.5207. It has been classified as critical. Affected is the function setIpPortFilterRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument desc leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Totolink
1T8 Firmware
Jun 17, 2026
Sep 8, 2024
8.7 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was found in TOTOLINK AC1200 T8 4.1.5cu.861_B20230220 and classified as critical. This issue affects the function setWiFiScheduleCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument desc...Show more
A vulnerability was found in TOTOLINK AC1200 T8 4.1.5cu.861_B20230220 and classified as critical. This issue affects the function setWiFiScheduleCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument desc leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Totolink
2T10 Firmware
T8 Firmware
Jun 17, 2026
Sep 8, 2024
8.7 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability, which was classified as critical, was found in TOTOLINK AC1200 T8 and AC1200 T10 4.1.5cu.861_B20230220/4.1.8cu.5207. This affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. The manip...Show more
A vulnerability, which was classified as critical, was found in TOTOLINK AC1200 T8 and AC1200 T10 4.1.5cu.861_B20230220/4.1.8cu.5207. This affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument desc/week/sTime/eTime leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Other parameters might be affected as well. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Qnap
2Qts
Quts Hero
Jun 17, 2026
Sep 6, 2024
5.3 MEDIUM· v4
8.8 HIGH· v3
N/A· v2
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to execute code via a network...Show more
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.8.2823 build 20240712 and later QuTS hero h5.1.8.2823 build 20240712 and laterShow less
1Qnap
2Qts
Quts Hero
Jun 17, 2026
Sep 6, 2024
N/A· v4
8.8 HIGH· v3
N/A· v2
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to execute code via a network. We have alr...Show more
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.6.2722 build 20240402 and later QuTS hero h5.1.6.2734 build 20240414 and laterShow less
1Crucial
1Mx500 Firmware
Jul 5, 2026
Sep 4, 2024
N/A· v4
6.7 MEDIUM· v3
N/A· v2
Micron Crucial MX500 Series Solid State Drives M3CR046 is vulnerable to Buffer Overflow, which can be triggered by sending specially crafted ATA packets from the host to the drive controller. NOTE: The supplier states th...Show more
Micron Crucial MX500 Series Solid State Drives M3CR046 is vulnerable to Buffer Overflow, which can be triggered by sending specially crafted ATA packets from the host to the drive controller. NOTE: The supplier states that this vulnerability was fully remediated in December 2024 and that updated firmware is available through Crucial’s official support page.Show less
2Opensc Project
Redhat
2Enterprise Linux
Opensc
Jun 30, 2026
Sep 3, 2024
N/A· v4
3.9 LOW· v3
N/A· v2
A vulnerability was found in the pkcs15-init tool in OpenSC. An attacker could use a crafted USB Device or Smart Card, which would present the system with a specially crafted response to APDUs. When buffers are partially...Show more
A vulnerability was found in the pkcs15-init tool in OpenSC. An attacker could use a crafted USB Device or Smart Card, which would present the system with a specially crafted response to APDUs. When buffers are partially filled with data, initialized parts of the buffer can be incorrectly accessed.Show less
2Opensc Project
Redhat
2Enterprise Linux
Opensc
Jun 30, 2026
Sep 3, 2024
N/A· v4
4.3 MEDIUM· v3
N/A· v2
A vulnerability was found in OpenSC, OpenSC tools, PKCS#11 module, minidriver, and CTK. An attacker could use a crafted USB Device or Smart Card, which would present the system with a specially crafted response to APDUs....Show more
A vulnerability was found in OpenSC, OpenSC tools, PKCS#11 module, minidriver, and CTK. An attacker could use a crafted USB Device or Smart Card, which would present the system with a specially crafted response to APDUs. When buffers are partially filled with data, initialized parts of the buffer can be incorrectly accessed.Show less
1Pingcap
1Tidb
Jun 17, 2026
Sep 3, 2024
N/A· v4
9.8 CRITICAL· v3
N/A· v2
PingCAP TiDB v8.1.0 was discovered to contain a buffer overflow via the component expression.ExplainExpressionList. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input. NOTE: PingCA...Show more
PingCAP TiDB v8.1.0 was discovered to contain a buffer overflow via the component expression.ExplainExpressionList. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input. NOTE: PingCAP maintains that the actual reproduction of this issue did not cause the security impact of service interruption to other users. They argue that this is a complex query bug and not a DoS vulnerability.Show less
1Clickhouse
1Clickhouse
Jun 17, 2026
Sep 3, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
ClickHouse v24.3.3.102 was discovered to contain a buffer overflow via the component DB::evaluateConstantExpressionImpl.
1Yugabyte
1Yugabytedb
Jun 17, 2026
Sep 3, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
YugabyteDB v2.21.1.0 was discovered to contain a buffer overflow via the "insert into" parameter.
1Zyxel
1Zld
Jun 17, 2026
Sep 3, 2024
N/A· v4
4.9 MEDIUM· v3
N/A· v2
A buffer overflow vulnerability in the CGI program of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from...Show more
A buffer overflow vulnerability in the CGI program of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an authenticated attacker with administrator privileges to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.Show less
1Zyxel
50Ax7501 B0 Firmware
Ax7501 B1 FirmwareDx3300 T0 Firmware+47 more
Jun 17, 2026
Sep 3, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
A buffer overflow vulnerability in the library "libclinkc" of the Zyxel VMG8825-T50K firmware version 5.50(ABOM.8)C0 could allow an unauthenticated attacker to cause denial of service (DoS) conditions by sending a crafte...Show more
A buffer overflow vulnerability in the library "libclinkc" of the Zyxel VMG8825-T50K firmware version 5.50(ABOM.8)C0 could allow an unauthenticated attacker to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.Show less
1Qualcomm
32Fastconnect 6700 Firmware
Fastconnect 6900 FirmwareFastconnect 7800 Firmware+29 more
Jun 17, 2026
Sep 2, 2024
N/A· v4
7.8 HIGH· v3
N/A· v2
Memory corruption during the handshake between the Primary Virtual Machine and Trusted Virtual Machine.
1Qualcomm
197205 Mobile Firmware
215 Mobile FirmwareApq8017 Firmware+194 more
Jun 17, 2026
Sep 2, 2024
N/A· v4
7.8 HIGH· v3
N/A· v2
Memory corruption when user provides data for FM HCI command control operations.
1Qualcomm
196205 Firmware
215 FirmwareApq8017 Firmware+193 more
Jun 17, 2026
Sep 2, 2024
N/A· v4
7.8 HIGH· v3
N/A· v2
Memory corruption when Alternative Frequency offset value is set to 255.
1Philiphazel
1Xfpt
Jun 17, 2026
Aug 29, 2024
N/A· v4
7.8 HIGH· v3
N/A· v2
xfpt versions prior to 1.01 fails to handle appropriately some parameters inside the input data, resulting in a stack-based buffer overflow vulnerability. When a user of the affected product is tricked to process a speci...Show more
xfpt versions prior to 1.01 fails to handle appropriately some parameters inside the input data, resulting in a stack-based buffer overflow vulnerability. When a user of the affected product is tricked to process a specially crafted file, arbitrary code may be executed on the user's environment.Show less