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    Home»Security»Common Vulnerabilities and Exposures (CVEs)»CVE-2025-3854 – H3C GR-3000AX HTTP POST Request Handler Buffer Overflow Vulnerability

    CVE-2025-3854 – H3C GR-3000AX HTTP POST Request Handler Buffer Overflow Vulnerability

    April 21, 2025

    CVE ID : CVE-2025-3854

    Published : April 22, 2025, 1:15 a.m. | 29 minutes ago

    Description : A vulnerability, which was classified as critical, was found in H3C GR-3000AX up to V100R006. Affected is the function EnableIpv6/UpdateWanModeMulti/UpdateIpv6Params/EditWlanMacList/Edit_List_SSID of the file /goform/aspForm of the component HTTP POST Request Handler. The manipulation of the argument param leads to buffer overflow. The attack needs to be initiated within the local network. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component. Other functions might be affected as well.

    Severity: 8.0 | HIGH

    Visit the link for more details, such as CVSS details, affected products, timeline, and more…

    Source: Read More

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    CVE-2025-52471 – “Espressif ESP-IDF ESP-NOW Protocol Integer Underflow Vulnerability”

    June 24, 2025

    CVE ID : CVE-2025-52471

    Published : June 24, 2025, 8:15 p.m. | 1 hour, 11 minutes ago

    Description : ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. An integer underflow vulnerability has been identified in the ESP-NOW protocol implementation within the ESP Wi-Fi component of versions 5.4.1, 5.3.3, 5.2.5, and 5.1.6 of the ESP-IDF framework. This issue stems from insufficient validation of user-supplied data length in the packet receive function. Under certain conditions, this may lead to out-of-bounds memory access and may allow arbitrary memory write operations. On systems without a memory protection scheme, this behavior could potentially be used to achieve remote code execution (RCE) on the target device. In versions 5.4.2, 5.3.4, 5.2.6, and 5.1.6, ESP-NOW has added more comprehensive validation logic on user-supplied data length during packet reception to prevent integer underflow caused by negative value calculations. For ESP-IDF v5.3 and earlier, a workaround can be applied by validating that the `data_len` parameter received in the RX callback (registered via `esp_now_register_recv_cb()`) is a positive value before further processing. For ESP-IDF v5.4 and later, no application-level workaround is available. Users are advised to upgrade to a patched version of ESP-IDF to take advantage of the built-in mitigation.

    Severity: 0.0 | NA

    Visit the link for more details, such as CVSS details, affected products, timeline, and more…

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