← Back
CWE-120

4,202 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 (4,202)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Tenda
1Ac23 Firmware
Feb 24, 2026
Dec 30, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security flaw has been discovered in Tenda AC23 16.03.07.52. Affected is the function formSetPPTPUserList of the component HTTP POST Request Handler. Performing a manipulation of the argument list results in buffer ove...Show more
A security flaw has been discovered in Tenda AC23 16.03.07.52. Affected is the function formSetPPTPUserList of the component HTTP POST Request Handler. Performing a manipulation of the argument list results in buffer overflow. The attack can be initiated remotely.Show less
1Tenda
1Ac10u Firmware
Jan 2, 2026
Dec 30, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was determined in Tenda AC10U 15.03.06.48/15.03.06.49. This affects the function formSetPPTPUserList of the file /goform/setPptpUserList of the component HTTP POST Request Handler. This manipulation of th...Show more
A vulnerability was determined in Tenda AC10U 15.03.06.48/15.03.06.49. This affects the function formSetPPTPUserList of the file /goform/setPptpUserList of the component HTTP POST Request Handler. This manipulation of the argument list causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.Show less
1Dlink
1Dwr M920 Firmware
Dec 30, 2025
Dec 29, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was detected in D-Link DWR-M920 up to 1.1.50. This affects the function sub_423848 of the file /boafrm/formParentControl. Performing manipulation of the argument submit-url results in buffer overflow. The...Show more
A vulnerability was detected in D-Link DWR-M920 up to 1.1.50. This affects the function sub_423848 of the file /boafrm/formParentControl. Performing manipulation of the argument submit-url results in buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.Show less
1Dlink
1Dwr M920 Firmware
Dec 30, 2025
Dec 29, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was identified in D-Link DWR-M920 up to 1.1.50. This issue affects the function sub_464794 of the file /boafrm/formDefRoute. The manipulation of the argument submit-url leads to buffer overflow. The attac...Show more
A vulnerability was identified in D-Link DWR-M920 up to 1.1.50. This issue affects the function sub_464794 of the file /boafrm/formDefRoute. The manipulation of the argument submit-url leads to buffer overflow. The attack may be initiated remotely. The exploit is publicly available and might be used.Show less
1Utt
1512w Firmware
Dec 31, 2025
Dec 26, 2025
7.4 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A vulnerability was identified in UTT 进取 512W up to 1.7.7-171114. Impacted is the function strcpy of the file /goform/ConfigExceptMSN. Such manipulation of the argument remark leads to buffer overflow. It is possible to...Show more
A vulnerability was identified in UTT 进取 512W up to 1.7.7-171114. Impacted is the function strcpy of the file /goform/ConfigExceptMSN. Such manipulation of the argument remark leads to buffer overflow. It is possible to launch the attack remotely. The exploit is publicly available and might be used.Show less
1Utt
1512w Firmware
Dec 31, 2025
Dec 26, 2025
7.4 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A vulnerability was determined in UTT 进取 512W up to 1.7.7-171114. This issue affects the function strcpy of the file /goform/formPictureUrl. This manipulation of the argument importpictureurl causes buffer overflow. It i...Show more
A vulnerability was determined in UTT 进取 512W up to 1.7.7-171114. This issue affects the function strcpy of the file /goform/formPictureUrl. This manipulation of the argument importpictureurl causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.Show less
1Utt
1512w Firmware
Dec 31, 2025
Dec 25, 2025
7.4 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A vulnerability was found in UTT 进取 512W up to 1.7.7-171114. This vulnerability affects the function strcpy of the file /goform/formConfigNoticeConfig. The manipulation of the argument timestart results in buffer overflo...Show more
A vulnerability was found in UTT 进取 512W up to 1.7.7-171114. This vulnerability affects the function strcpy of the file /goform/formConfigNoticeConfig. The manipulation of the argument timestart results in buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used.Show less
1Utt
1512w Firmware
Dec 31, 2025
Dec 25, 2025
7.4 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A vulnerability has been found in UTT 进取 512W up to 1.7.7-171114. This affects the function strcpy of the file /goform/APSecurity. The manipulation of the argument wepkey1 leads to buffer overflow. The attack is possible...Show more
A vulnerability has been found in UTT 进取 512W up to 1.7.7-171114. This affects the function strcpy of the file /goform/APSecurity. The manipulation of the argument wepkey1 leads to buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.Show less
1Cobiansoft
1Reflector
Dec 31, 2025
Dec 22, 2025
6.9 MEDIUM· v4
5.5 MEDIUM· v3
N/A· v2
Cobian Reflector 0.9.93 RC1 contains a denial of service vulnerability that allows attackers to crash the application by overflowing the password input field. Attackers can paste a large 8000-byte buffer into the passwor...Show more
Cobian Reflector 0.9.93 RC1 contains a denial of service vulnerability that allows attackers to crash the application by overflowing the password input field. Attackers can paste a large 8000-byte buffer into the password field to trigger an application crash during SFTP task configuration.Show less
1Cobiansoft
1Backup 11
Jan 5, 2026
Dec 22, 2025
6.9 MEDIUM· v4
5.5 MEDIUM· v3
N/A· v2
Cobian Backup 11 Gravity 11.2.0.582 contains a denial of service vulnerability in the FTP password input field that allows attackers to crash the application. Attackers can generate a specially crafted 800-byte buffer an...Show more
Cobian Backup 11 Gravity 11.2.0.582 contains a denial of service vulnerability in the FTP password input field that allows attackers to crash the application. Attackers can generate a specially crafted 800-byte buffer and paste it into the password field to trigger an application crash.Show less
1Tp Link
1Tapo C200 Firmware
Apr 3, 2026
Dec 20, 2025
8.7 HIGH· v4
6.5 MEDIUM· v3
N/A· v2
A stack-based buffer overflow vulnerability was identified in the ONVIF SOAP XML Parser in Tapo C200 v3 and C520WS v2.6. When processing XML tags with namespace prefixes, the parser fails to validate the prefix length be...Show more
A stack-based buffer overflow vulnerability was identified in the ONVIF SOAP XML Parser in Tapo C200 v3 and C520WS v2.6. When processing XML tags with namespace prefixes, the parser fails to validate the prefix length before copying it to a fixed-size stack buffer. It allowed a crafted SOAP request with an oversized namespace prefix to cause memory corruption in stack. An unauthenticated attacker on the same local network may exploit this flaw to enable remote code execution with elevated privileges, leading to full compromise of the device.Show less
1Pali
1Igmpproxy
Jan 2, 2026
Dec 19, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
igmpproxy 0.4 before commit 2b30c36 allows remote attackers to cause a denial of service (application crash) via a crafted IGMPv3 membership report packet with a malicious source address. Due to insufficient validation i...Show more
igmpproxy 0.4 before commit 2b30c36 allows remote attackers to cause a denial of service (application crash) via a crafted IGMPv3 membership report packet with a malicious source address. Due to insufficient validation in the `recv_igmp()` function in src/igmpproxy.c, an invalid group record type can trigger a NULL pointer dereference when logging the address using `inet_fmtsrc()`. This vulnerability can be exploited by sending malformed multicast traffic to a host running igmpproxy, leading to a crash. igmpproxy is used in various embedded networking environments and consumer-grade IoT devices (such as home routers and media gateways) to handle multicast traffic for IPTV and other streaming services. Affected devices that rely on unpatched versions of igmpproxy may be vulnerable to remote denial-of-service attacks across a LAN .Show less
1Qualcomm
23Qam8255p Firmware
Qam8620p FirmwareQam8650p Firmware+20 more
Dec 23, 2025
Dec 18, 2025
N/A· v4
8.4 HIGH· v3
N/A· v2
Memory Corruption when a corrupted ELF image with an oversized file size is read into a buffer without authentication.
1Qualcomm
115Ar8031 Firmware
Ar8035 FirmwareCsra6620 Firmware+112 more
Jan 27, 2026
Dec 18, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Memory corruption while copying packets received from unix clients.
1Capstone Engine
1Capstone
Jan 2, 2026
Dec 17, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and prior, an unchecked vsnprintf return in SStream_concat lets a malicious cs_opt_mem.vsnprintf drive SStream’s index negative or past the end, leading to a...Show more
Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and prior, an unchecked vsnprintf return in SStream_concat lets a malicious cs_opt_mem.vsnprintf drive SStream’s index negative or past the end, leading to a stack buffer underflow/overflow when the next write occurs. Commit 2c7797182a1618be12017d7d41e0b6581d5d529e fixes the issue.Show less
1Riot Os
1Riot
Jan 22, 2026
Dec 17, 2025
1.7 LOW· v4
9.8 CRITICAL· v3
N/A· v2
RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded devices. A vulnerability was discovered in the IPv6 fragmentation reassem...Show more
RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded devices. A vulnerability was discovered in the IPv6 fragmentation reassembly implementation of RIOT OS v2025.07. When copying the contents of the first fragment (offset=0) into the reassembly buffer, no size check is performed. It is possible to force the creation of a small reassembly buffer by first sending a shorter fragment (also with offset=0). Overflowing the reassembly buffer corrupts the state of other packet buffers which an attacker might be able to used to achieve further memory corruption (potentially resulting in remote code execution). To trigger the vulnerability, the `gnrc_ipv6_ext_frag` module must be included and the attacker must be able to send arbitrary IPv6 packets to the victim. Version 2025.10 fixes the issue.Show less
1Apple
5Ipados
Iphone OsMacos+2 more
Jan 7, 2026
Dec 17, 2025
N/A· v4
4.3 MEDIUM· v3
N/A· v2
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2. Processing maliciously cra...Show more
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2. Processing maliciously crafted web content may lead to an unexpected process crash.Show less
1Tenda
1Ac10 Firmware
Jan 2, 2026
Dec 17, 2025
N/A· v4
6.5 MEDIUM· v3
N/A· v2
A Buffer overflow vulnerability in function fromAdvSetMacMtuWan of bin httpd in Tenda AC10V4.0 V16.03.10.20 allows remote attackers to cause denial of service and possibly code execution by sending a post request with a...Show more
A Buffer overflow vulnerability in function fromAdvSetMacMtuWan of bin httpd in Tenda AC10V4.0 V16.03.10.20 allows remote attackers to cause denial of service and possibly code execution by sending a post request with a crafted payload (field `serverName`) to /goform/AdvSetMacMtuWan.Show less
1Tenda
1Ac10 Firmware
Jan 2, 2026
Dec 17, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
A Buffer overflow vulnerability in function fromAdvSetMacMtuWan of bin httpd in Tenda AC10V4.0 V16.03.10.20 allows remote attackers to cause denial of service and possibly code execution by sending a post request with a...Show more
A Buffer overflow vulnerability in function fromAdvSetMacMtuWan of bin httpd in Tenda AC10V4.0 V16.03.10.20 allows remote attackers to cause denial of service and possibly code execution by sending a post request with a crafted payload (field `serviceName`) to /goform/AdvSetMacMtuWan.Show less
1Meltytech
1Shotcut
Jan 7, 2026
Dec 16, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Meltytech Shotcut 25.10.31 is vulnerable to Buffer Overflow. A memory access violation occurs when processing MLT project files with manipulated width and height parameters. By setting these values to extremely large num...Show more
Meltytech Shotcut 25.10.31 is vulnerable to Buffer Overflow. A memory access violation occurs when processing MLT project files with manipulated width and height parameters. By setting these values to extremely large numbers, the application attempts to allocate excessive memory during image processing, triggering a buffer overflow in the mlt_image_fill_white function.Show less